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VVSGTerm Glossary

absentee ballot

Ballot used for absentee voting.

Synonyms: mail ballot, postal ballot

absentee voting

Voting that can occur unsupervised at a location chosen by the voter either before or on election day.

Synonyms: all-mail voting, mail voting, postal voting, vote-by-mail

acceptance testing

Examination of a voting system and by the purchasing election jurisdiction to validate:

  • the performance of delivered devices to ensure they meet procurement requirements, and
  • that the delivered system is, in fact, the certified system purchased. This usually happens in a simulated-use environment.

access control

The process of granting or denying specific requests to:

  • obtain and use information and related information processing services; and
  • enter specific physical facilities.

accessibility

Measurable characteristics that indicate the degree to which a system is available to, and usable by, individuals with disabilities. The most common disabilities include those associated with vision, hearing, mobility, and cognition.

accreditation

Formal recognition that a laboratory is competent to carry out specific tests or calibrations.

accreditation body

  1. Authoritative body that provides accreditation.
  2. Independent organization responsible for
  • assessing the performance of other organizations against a recognized standard, and
  • formally confirming the status of those that meet the standard.

activation device

Programmed device that creates credentials necessary to begin a voting session using a specific ballot style. Examples include electronic poll books and card activators that contain credential information necessary to determine the appropriate ballot style for the voter.

active period

Span of time during which a vote-capture device either is ready to begin a voting session or is in use during a voting session.

adjudication

Process of resolving flagged cast ballots to reflect voter intent. Common reasons for flagging include:

adjudication-required ballot

A ballot that contains contest selections that require adjudication.

air gap

A physical separation between systems that requires data to be moved by some external, manual procedure.

alert time

The amount of time that a voting device will wait for detectible voter activity after issuing an alert, before going into an inactive state requiring election worker intervention.

alternative format

The ballot or accompanying information is said to be in an alternative format if it is presented in non-standard ballot language and format. Examples include, but are not limited to, languages other than English, Braille, ASCII text, large print, recorded audio.

appropriate mark

An expected mark made according to the ballot instructions.

approval voting

A vote variation used for elections in which each voter may "approve" of (that is, select) any number of candidates. Typically, the winner is the most-approved candidate.

archival media

Storage media that is designed to preserve content for an extended period of time with minimal data corruption or loss.

assistive technology

A device that improves or maintains the capabilities of people with disabilities (such as no vision, low vision, mobility, or cognitive). These devices include headsets, keypads, software, sip-and-puff, and voice synthesizers.

asymmetric cryptography

Encryption system that uses a public and private key pair for cryptographic operation. The private key is generally stored in a user's digital certificate and used typically to encrypt or digitally sign data. The public key is used typically to decrypt the data or verify its digital signatures. The keys could be used interchangeably as needed, that is, a public key can be used to encrypt data and the private key can be used to decrypt the data.

audio format

A ballot display format in which contest options and other information are communicated through sound and speech.

Synonyms: audio ballot

audit

  1. Systematic, independent, documented process for obtaining records, statements of fact, or other relevant information and assessing them objectively to determine the extent to which specified requirements are fulfilled.
  2. Verification of statistical or exact agreement of records from different processes or subsystems of a voting system.
  3. A review of a system and its controls to determine its operational status and the accuracy of its outputs.

audit device

Voting device dedicated exclusively to independently verifying or assessing the voting system's performance.

audit trail

Information recorded during election activities to reconstruct steps followed or to later verify actions taken with respect to the voting system.

authentication

Verifying the identity of a user, process, or device, often as a prerequisite to allowing access to resources in an information system. Audit trails may include event logs, paper records, error messages, and reports.

ballot

Presentation of the contest options for a particular voter.

ballot counting logic

The software logic that

  • defines the combinations of contest selections that are valid and invalid on a given ballot and,
  • determines how the contest selections are totaled in a given election.

ballot data

A list of contests and associated options that may appear on a ballot for a particular election.

ballot display format

The concrete presentation of the contents of a ballot appropriate to the particular voting technology being used. The contents may be rendered using various methods of presentation (visual or audio), language, or graphics.

ballot image

Electronically produced record of all votes cast by a single voter. A ballot image might be a transient logical representation of the votes or an archival record (a cast vote record).

ballot instructions

Information provided to the voter that describes the procedure for marking the ballot. This information may appear directly on the paper or electronic ballot or may be provided separately.

ballot manifest

A catalog prepared by election officials listing all the physical paper ballots and their locations in sequence.

ballot marking device

A device that:

ballot measure

A question that appears on a ballot with options, usually in the form of an approval or rejection.

Synonyms: ballot issue, ballot proposition, ballot question, referendum

ballot measure option

A contest option that specifies a response to a ballot measure.

ballot on demand®

A process that produces a paper ballot of the required ballot style that meets a specific voter's needs. The use of this process requires:

  • a system with a printer that can create a tabulatable paper ballot; and
  • a device driving the printer that has all the data needed to print each ballot style and allows selection of the needed style. Note: "ballot on demand" is a registered trademark of ES&S.

ballot production

Process of generating ballots for presentation to voters, for example, printing paper ballots or configuring the ballot presentation for an electronic display.

ballot rotation

The process of varying the order of listed candidates within a contest. This allows each candidate to appear first on the list of candidates an approximately equal number of times across different ballot styles or election districts.

ballot style

Ballot data that has been put into contest order for a particular precinct and considers a particular set of voter situations. Voter situations include party affiliation (for closed primaries), and age of the voter (in states that permit 17-year-olds to vote in primary elections), among others.

barcode

An optical, machine-readable representation of data as a sequence of bars and spaces that conform to accepted standards. Linear (1d) barcode standards include UPC, EAN and 128. QR is an example of a 2d barcode standard.

barcode reader

Device used to scan barcodes and convert the encoded information into a usable format. Barcode readers are used to scan codes on a variety of election materials including ballots, driver's licenses, voter ID cards, voter information packets, envelopes, and other election documents.

batch

A collection of paper ballots gathered as a group for tabulation or for auditing.

batch fed scanner

An electronic voting device that:

  • accepts stacks of hand-marked or BMD-produced paper ballots and automatically processes them until the stack is empty;
  • is usually used at an election jurisdiction's central location;
  • is mostly commonly used to process absentee or mail ballots;
  • usually has input and output hoppers for ballots;
  • scans a ballot and rejects it if either unreadable or un-processable;
  • detects, interprets, and validates contest selections;
  • detects and sorts (either digitally or physically) ballots that are unreadable or un-processable, or that contain undeterminable selections, marking exceptions, or write-ins; and
  • tabulates and reports contest results as required. This unit was previously referred to as central count optical scanner or CCOS.

Synonyms: CCOS, central tabulator, central-count optical scanner, high-speed optical scanner

benchmark

Quantitative point of reference to which the measured performance of a system or device may be compared.

blank ballot

An issued ballot without any selections made.

Synonyms: unmarked ballot

callable unit

(Of a software program or logical design) Function, method, operation, subroutine, procedure, or analogous structural unit that appears within a module.

candidate

Person contending in a contest for office. A candidate may be explicitly presented as one of the contest options or may be a write-in candidate.

candidate option

A contest option that is associated with a candidate.

canvass

The process of compiling, reviewing, and validating election returns that forms the basis of the official results by a political subdivision.

cast

(v) The final action a voter takes in selecting contest options and irrevocably confirming their intent to vote as selected.

cast ballot

Ballot in which the voter has taken final action in selecting contest options and irrevocably confirmed their intent to vote as selected.

Synonyms: voted ballot

cast vote record

Archival tabulatable record of all votes produced by a single voter from a given ballot.

central reporting device

Electronic voting device that consolidates and reports vote totals from multiple precincts at a central location.

certification testing

Testing of a voting system performed by a testing authority (such as the EAC or a state) to ensure that the system meets the requirements defined in the standards being tested against in the manner specified in its product documentation.

Ciphertext

Data or information in its encrypted form.

closed primary

Partisan primary election in which the voter receives a ballot containing only those party-specific contests pertaining to the political party with which the voter is affiliated, along with non-party-specific contests presented at the same election. Unaffiliated voters may be permitted to vote only on non-party-specific contests.

combined precinct

Two or more precincts treated as a single precinct for a specific election.

Synonyms: consolidated precinct, super precinct

commercial-off-the-shelf

Hardware or software components that are widely available for purchase and can be integrated into special-purpose systems.

Common Data Format

Standard and practice of creating and storing data in a common, described format that can be read by other systems.

Common Industry Format

Format used for usability test reporting. The format is described in ISO/IEC 25062:2006 "Common Industry Format (CIF) for Usability Test Reports," one of a group of usability standards. CIF is the format required for usability test reporting.

component

Element within a larger voting system.

confidentiality

Prevention of unauthorized disclosure of information.

configuration management

A continuous process of recording and maintaining consistent and reliable records pertaining to an organization's hardware and software composition, including software version control and hardware updates.

conformance

Fulfilling specified requirements by a product, process, or service.

conformance testing

Process of testing device or system of devices against the requirements specified in one or more standards. The outcomes of a conformance test are generally a pass or fail result, possibly including reports of problems encountered during the execution.

Synonyms: conformity assessment

contest

A single decision or set of associated decisions being put before the voters (for example, the option of candidates to fill a particular public office or the approval or disapproval of a constitutional amendment). This term encompasses other terms such as "race," "question," and "issue" that are sometimes used to refer to specific kinds of contests. It does not refer to the legal challenge of an election outcome.

contest option

A votable choice that appears under a contest.

contest option position

A specified area on a ballot where a voter's selection in a particular contest can be indicated.

Synonyms: ballot marking target area, ballot selection position, target, target area

contest option vote

Vote that will be counted for a particular contest option. This term was previously referred to as valid vote.

contest selection

A selection made on the ballot by a voter with respect to a specific single contest (for example, a candidate, the value "Yes" or "Approve").

core logic

Subset of application logic that is responsible for vote recording and tabulation.

corrective action

Action taken to eliminate the causes of an existing deficiency or other undesirable situation in order to prevent it from recurring.

counted ballot

A read ballot that has been processed and whose votes are included in the vote totals.

Synonyms: tabulated ballot, tallied ballot

cross-party endorsement

Endorsement of a single candidate or slate of candidates by more than one political party. The candidate or slate appears on the ballot representing each endorsing political party.

Synonyms: cross filing

cryptographic end-to-end voting system

A voting system that supports both voter verification and election verification.

cryptographic hash

A cryptographic algorithm that computes a numerical value based on a data file or electronic message. The numerical value is used to represent that file or message, and depends on the entire contents of the file or message. A hash function can be considered to be a fingerprint of the file or message. Colloquially known as a hash, hash function, or digital fingerprint. Hashes provide integrity protection.

cryptographic key

A numeric value used as input to cryptographic operations, such as decryption, encryption, signature generation, or verification of a digital signature.

cryptography

Discipline that embodies the principles, means, and methods for transforming data to hide their semantic content, prevent their unauthorized use, prevent their undetected modification, or establish their authenticity.

cumulative voting

A vote variation used in multi-seat contests where a voter is permitted to distribute allowed selections to 1 or more candidates in whole vote increments.

cybersecurity

Measures taken to protect computer systems and data from attack and unauthorized access or use.

decertification

Revocation of national or state certification of a voting system or any of its components.

decryption

Cryptographic process of transforming encrypted data back into its pre-encryption form.

defense-in-depth

Also called the "Castle" approach. Multiple levels of logical and physical security measures that deny a single point of security failure in a system. Examples include the combined use of passwords, encryption, lock-and-key access, security seals, and logs.

device

Physical apparatus and any supporting supplies, materials, and logic that together form a functional unit that performs assigned tasks as an integrated whole.

digital certificate

A data set used to identify the holder of the certification and to verify, using a PKI, the authenticity of the certificate. It typically includes the holder's private key and is used for cryptographic operations such as digitally signing or encrypting data.

digital signature

A cryptographic operation where the private key is used to digitally sign an electronic document and the public key is used to verify the signature. Digital signatures provide data authentication and integrity protection.

direct recording electronic voting machine

A vote-capture device that allows:

dynamic password

A password that changes at a defined interval or event.

EAC

Election Assistance Commission, created by the Help America Vote Act (HAVA) to assist the states regarding HAVA compliance and to distribute HAVA funds to the states. The EAC is also charged with creating voting system guidelines and operating the federal government's first voting system certification program. The EAC is also responsible for maintaining the National Voter Registration form, conducting research, and administering a national clearinghouse on elections that includes shared practices, information for voters, and other resources to improve elections.

Synonyms: Election Assistance Commission

early voting

Voting that occurs prior to election day under the supervision of election workers.

Synonyms: in-person absentee voting

early voting center

Physical location where individuals may cast a ballot before election day under the supervision of election workers.

Synonyms: early vote center

elected office

An office that is filled primarily or exclusively via election.

election

A formal process in which qualified voters select candidates to fill seats in one or more offices and/or vote on one or more proposed ballot measures.

election certification

The act of confirming the final official results of a jurisdiction's election. This event occurs after results from valid ballots are tallied from all sources (election day, absentee voting, early voting, provisional ballots, etc.) and results are validated and approved by those legally responsible.

election day

The last day on which voters may cast a ballot. Absentee ballots and early voting ballots may be cast in advance of election day.

election definition

Data used in defining an election, including election districts, contests, candidates, and ballot style information.

election definition medium

Programmed memory device containing all applicable election definition data required by the election system component where the device will be used.

election district

Administrative area in which voters are entitled to vote in contests that are specific to that area.

election jurisdiction

A geographical area to which a practical authority has been granted to administer elections for political or administrative offices. Areas of jurisdiction apply to local, state, and federal levels. States, counties, cities, towns, and townships are all examples of jurisdictions.

election management system

Set of processing functions and databases within a voting system typically used to:

election official

Any person who is involved with administering or conducting an election, including government personnel and temporary election workers. This may include any county clerk and recorder, election judge, member of a canvassing board, central election official, election day worker, member of a board of county commissioners, member or secretary of a board of directors authorized to conduct public elections, representative of a governing body, or other person engaged in the performance of election duties as required by the election code.

election programming

Process by which election officials or their designees use voting system software to create the election definition and configure all election definition medium for use in a specific election.

election results report

A tabulation report produced after the closing of polls for the purpose of publicizing the vote counts.

Election Results Reporting System

A system that:

  • aggregates and displays election results across the election jurisdiction,
  • can be real-time or near real-time,
  • can provide a variety of formats for displaying election results, and
  • may provide direct feeds for the media.

Synonyms: Election Night Reporting

election system

  1. A technology-based system that is used to collect, process, and store data related to elections and election administration. In addition to voter registration systems and public election websites, election systems include voting systems, vote tabulation systems, electronic poll books, election results reporting systems, and auditing devices.
  2. Entire array of procedures, people, resources, equipment, and locations associated with conducting elections.

election worker

Any person who interacts with those coming to vote. This includes any poll worker, election day worker, early voting worker, or other temporary staff engaged in supporting the voting or vote counting process.

electronic ballot delivery

The delivery of ballot and voter information packets electronically. The MOVE Act requires each state to provide for the electronic delivery (via fax, email, or an Internet-supported application) of ballots and related information from the local election office to the registered UOCAVA voter.

electronic ballot interface

Subsystem within a voting system which communicates ballot information to a voter in video, audio, or other alternative format which allows the voter to select contest options using vocalization or physical actions.

electronic ballot return

The return of a voted ballot or voter information packet using electronic means. This can be by fax, email, or through the use of an Internet supported application. Sometimes referred to as "Internet Voting."

electronic device

Device that uses electronic or electromechanical components.

electronic poll book

Device that partially automates the process of checking in voters, assigning them the correct ballot style, and marking voters who have been issued a ballot. May be used in place of a traditional paper poll book. E-poll books can be stand alone at the precinct with a separate copy of the registration list or can be networked into a central voter registration system. They can check and update voter records in real time.

Synonyms: e-poll book

electronic voter interface

Component of an electronic vote-capture device that communicates ballot information to the voter and accepts contest selection input from the voter.

eligible voters

The universe of all voters who, if they cast a ballot, would have the legal right to have eligible contests on that ballot counted. This would include those who do not appear in the list of eligible voters because they live in a same-day registration or no registration state and did not or could not register ahead of time.

encryption

Cryptographic process of transforming data (called "plaintext") into a form (called "ciphertext") that conceals the data's original meaning to prevent it from being known or used. Encryption provides confidentiality protection.

endorsement

Approval by a political party, for example, as the candidate that the party fields in a particular contest or as the candidate that should receive straight party votes. In some states, more than one party may endorse a candidate or contest option.

enhanced visual format

An alternative visual display format supporting personal choices such as text size, color contrast, and preferred language.

error correction code

Coding system that allows data being read or transmitted to be checked for errors and, when detected, corrects those errors.

error rate

Ratio of the number of errors that occur to the volume of data processed.

escalation of privilege

An attack on a system where the attacker is using some means to bypass security controls in order to attain a higher privilege level on the target system.

exhausted ballot

Refers to processing a ranked choice voting contest on a cast ballot, when that ballot becomes inactive and cannot be advanced in the tabulation for a contest because there are no further valid rankings on the ballot for continuing contest options.

expected mark

Mark that falls wholly or partially inside a contest option position.

Extensible Markup Language

A text-based language used to organize and present information on the World Wide Web.

extraneous mark

A mark on a paper ballot that appears to be unrelated to the act of indicating a voter's selection. Examples include: a mark made unintentionally by a voter that is obviously not related to making a selection; a hesitation mark, a dot within or outside of the target area made by resting a pen or pencil on the ballot; written notes or identifying information not related to indication of the voter's selection; or printing defects.

Synonyms: inadvertent mark, random mark, stray mark

failure

Looking at voting system reliability, a failure is an event that results in:

  • loss of one or more functions,
  • degradation of performance resulting in a device that is unable to perform its intended function for longer than 10 seconds,
  • automatic reset, restart, or reboot of the voting device, operating system or application software, requiring an unanticipated intervention by a person in the role of election worker or technician before normal operation can continue, or
  • error messages or audit log entries indicating that a failure has occurred.

failure rate

Ratio of the number of failures that occur to the volume of data processed.

fault

Flaw in design or implementation that may result in the qualities or behavior of the voting system deviating from the qualities or behavior that are anticipated, including those specified in the VVSG or in manufacturer-provided documentation.

fault-tolerant

A system that continues to operate after the failure of a computer or network component.

Federal Information Processing Standards

Standards for federal computer systems developed by NIST. These standards are developed when there are no existing industry standards to address federal requirements for system interoperability, portability of data and software, and computer security.

finding

(n) Result of a formal evaluation by a test lab or accredited expert.

Synonyms: verdict

firewall

A gateway system designed to prevent unauthorized access to a private network or intranet that is connected to the internet. A firewall can be implemented in either hardware or software, or a combination of both.

firmware

A specific class of software encoded directly into a hardware device that controls its defined functions and provides the low-level control for the computer's specific hardware (such as the firmware that initially boots an operating system).

Functional Configuration Audit

Exhaustive verification of every system function and combination of functions cited in the manufacturer's documentation. The FCA verifies the accuracy and completeness of the system's Voter Manual, Operations Procedures, Maintenance Procedures, and Diagnostic Testing Procedures.

functional test

Test performed to verify or validate the accomplishment of one or more functions.

general election

Election in which all eligible voters, regardless of party affiliation, are permitted to select candidates to fill public office and/or vote on ballot measures.

Geographical Information System

A system designed to capture, store, manipulate, analyze, manage, and present all types of spatial or geographical data. GIS systems are used to validate voting district boundaries and may be integrated with the voter registration system.

Geopolitical Unit

Describes units of geopolitical geography so that they can be associated with contests, offices, ballot styles, and election results.

hardware

The physical, tangible, mechanical, or electromechanical components of a system.

Help America Vote Act

Act passed by the U.S. Congress in 2002 to make sweeping reforms to the nation's voting process. HAVA addresses improvements to voting systems and voter access that were identified following the 2000 election.

implementation statement

Statement by a manufacturer indicating the capabilities, features, and optional functions as well as extensions that have been implemented. Also known as implementation conformance statement.

Synonyms: implementation conformance statement

in-person voting

Voting that occurs in an official location under the supervision of election workers.

independently

Without assistance from an election worker or other person.

indirect selection

The mechanism by which a selection for a specific contest option automatically selects other linked contest options. An example is a straight party selection that causes indirect selections for all contest options of the identified party.

information security

Protecting information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide integrity, confidentiality, and availability.

inspection

Examination of a product design, product, process, or installation and determination of its conformity with specific requirements.

interaction mode

A specific combination of display format and control or navigation options that enable voters to perceive and interact with the voting system.

interoperability

The extent to which systems from different manufacturers and devices with different system configurations can communicate with each other.

Intrusion Detection System

A hardware or software application that detects and reports a suspected security breach, policy violation, or other compromise that may adversely affect the network.

Intrusion Prevention System

A hardware or software application that detects and blocks a suspected security breach, policy violation or other compromise that may adversely affect the network.

key management

Activities involving handling of cryptographic keys and other related security parameters (such as passwords) during the entire life cycle of the keys, including their generation, storage, establishment, entry and output, zeroization, and revocation.

life cycle

Systems engineering concept that identifies the phases that a system passes through, from concept to retirement. There are different concerns and activities associated with each phase of the life cycle.

locality

Generic term used in election contexts to signify a town, village or city contained within an election jurisdiction, such as a county.

logic and accuracy testing

Equipment and system readiness tests whose purpose is to detect malfunctioning devices and improper election-specific setup before the equipment or systems are used in an election. Election officials conduct L&A tests prior to the start of an election as part of the process of setting up the system and the devices for an election according to jurisdiction practices and conforming to any state laws.

logic defect

Fault in software, firmware, or hardwired logic.

logical correctness

Condition signifying that, for a given input, a computer program will satisfy the program specification and produce the required output.

machine unreadable mark

Mark in a contest selection position of a paper ballot that cannot be detected as readable or marginal by a scanner, and may require human adjudication.

machine-readable mark

Mark in a contest selection position of a paper ballot that meets requirements for detection by a scanner.

majority voting

A vote variation which requires the winning candidate to receive more than half of the votes cast. If no candidate wins an outright majority, a runoff election may be held between the top two vote-getters.

malware

Software or firmware intended to perform an unauthorized process that will have adverse impact on the confidentiality, integrity, or availability of a system. For example, a virus, worm, Trojan horse, or other code-based entity that infects a host. Spyware and some forms of adware are also examples of malware.

Synonyms: malicious code

manually-marked paper ballot

Paper ballot marked by a voter using a writing utensil. The paper ballot is the independent voter verifiable record.

manufacturer

Entity with ownership and control over a voting system submitted for testing.

marginally machine-readable mark

An intentional mark in a contest selection position of a paper ballot that does not meet the requirements for a reliably detectable selection, and therefore requires human adjudication. A marginal mark may be determined to indicate a selection, depending on state law.

Synonyms: marginal mark

marked ballot

Ballot that contains all of a voter's selections.

military voter

A member of a uniformed service in active service, including army, navy, air force, marine corps, coast guard and merchant marine, and their spouses and dependents.

misfeed rate

Ratio of the misfeed total to the total ballot volume.

module

A structural unit of a software program that serves a specific function for the program or that serves to make the program modular in structure for the purposes of easier understanding and maintenance.

multi-factor authentication

Authentication mechanism requiring two or more of the following:

  • something you know (such as a password),
  • something you have (such as a token),
  • something you are (for example, biometric authentication).

multi-seat contest

Contest in which multiple candidates are elected to fill a specified number of seats.

municipality

Term as used in election contexts to signify a jurisdiction such as city, town, or village that has some form of local government for which elections are generally conducted.

N-of-M voting

Vote variation in which the voter is entitled to allocate a fixed number of votes (N) over a list of M contest options or write-in options, with the constraint that at most 1 vote may be allocated to a given contest option. This usually occurs when multiple seats are concurrently being filled in a governing body such as a city council or school board where candidates contend for at-large seats. The voter is not obliged to allocate all N votes. 1-of-M is N-of-M voting where N = 1.

national certification test report

Report of the results of independent testing of a voting system by a Voting System Test Lab (VSTL) delivered to the EAC with a recommendation about granting a certification number.

National Institute of Standards and Technology

Federal organization tasked with assisting in the development of voting system standards. NIST develops and maintains standards for a wide array of technologies. NIST scientists assist the EAC in developing testable standards for voting systems.

non-party-specific contest

Contest where eligibility to vote in that contest is independent of political party affiliation.

non-user-serviceable failure

Functional failure that requires the manufacturer or highly trained personnel to repair.

nonpartisan office

Elected office for which candidates appear on the ballot without political party designation.

nonpartisan primary

Primary election held to narrow the field of candidates in non-party-specific contests.

nonvolatile memory

Memory in which information can be stored indefinitely with no external power applied.

notice of clarification

Document providing further guidance and explanation on the requirements and procedures of the EAC's Voting System Certification or Voting System Testing Lab (VSTL) programs. NOCs may be issued in response to a clarification request from a Voting System Test Lab or an EAC registered manufacturer. EAC may also issue NOCs when it determines general clarifications are necessary.

observational test

Operational test conducted on voting devices during an election by real voters to establish confidence that the voter verifiable paper record is produced correctly when assistive technology is used. Devices subjected to observational testing are used for normal collection of votes; the votes collected are included in the election tally.

office

A position established by law with certain associated rights and duties.

open primary

Partisan primary election in which the voter may choose a political party at the time of voting and vote in party-specific contests associated with that party, along with non-party-specific contests presented at the same election. Some states require voters to publicly declare their choice of party at the polling place, after which the election worker provides or activates the appropriate ballot. Other states allow the voters to make their choice of party within the privacy of the voting booth.

Synonyms: pick-your-party primary

open source

Computer software with its source code (human readable code) made available with a license in which the copyright holder provides the rights to study, change, and distribute the software to anyone and for any purpose. Open source software may:

  • be developed in a collaborative public manner;
  • be reviewed by multiple professional and amateur programmers;
  • require a fee and be licensed like other software;
  • be fully open source or may have only a portion of the software open source.

optical scan

Voting system that counts votes marked in contest option positions on the surface of a paper ballot.

overseas voter

A U.S. citizen who is living outside of the United States and is eligible to vote in their last place of residence in the United States.

overvote

Occurs when the number of selections made by a voter in a contest is more than the maximum number allowed.

Synonyms: over-vote

paper ballot

A piece of paper, or multiple sheets of paper, on which all contest options of a given ballot style are printed.

paper ballot sheet

A single piece of paper that forms part of a paper ballot. Paper ballots may contain multiple sheets.

paper ballot side

The face of a paper ballot sheet. A paper ballot may have two sides.

partisan office

Elected office for which candidates may appear on the ballot with a political party designation.

partisan primary

Primary election held to narrow the field of candidates in party-specific contests.

party-specific contest

Contest where eligibility to vote in that contest is restricted based on political party affiliation or lack of any affiliation. The affiliation might be the registered affiliation of the voter or it might be an affiliation declared at the time of voting.

pattern voting

Selecting contest options across multiple contests in a predetermined pattern intending to signal one's identity to someone else. The possibility of pattern voting can be an issue for publishing Cast Vote Records (CVR) because it may compromise voter privacy if there are enough selections in each published CVR to make it likely a selection pattern might be unique.

penetration testing

An evaluation method that enables researchers to search for vulnerabilities in a system.

Synonyms: Pen Testing

personal assistive device

Assistive technology belonging to voters rather than any supplied with the voting system.

Personal Identifiable Information

Any information about an individual maintained by an agency, including:

  • information that can be used to distinguish or trace an individual's identity, such as name, social security number, date and place of birth, mother's maiden name, or biometric records; and
  • any other information that can be linked to an individual, such as medical, educational, financial, and employment information.

Physical Configuration Audit

Inspection by a voting system test lab (VSTL) that compares the voting system components submitted for certification testing to the manufacturer's technical documentation and confirms that the documentation submitted meets the national certification requirements. Includes witnessing the executable system being built to ensure that the certified release is built from the tested components.

plurality voting

A vote variation in which the candidate with the most votes wins, without necessarily receiving a majority of votes.

political party

An association of individuals under whose name a candidate may appear on a ballot.

political subdivision

Any unit of government, such as counties, cities, school districts, and water and conservation districts having authority to hold elections for public offices or on ballot measures.

polling location

Physical address of a polling place.

polling place

Location at which voters may cast in-person ballots under the supervision of election workers during one or more specific time periods.

Synonyms: poll, polling station

post-election audit

Hand-counting votes on paper records, then comparing those counts to the corresponding vote totals originally reported:

  • as a check on the accuracy of election results, and
  • to resolve discrepancies using accurate hand counts of the paper records as the benchmark.

precinct

Election administration division corresponding to a geographic area that is the basis for determining which contests the voters legally residing in that area are eligible to vote on.

Synonyms: polling district, tabulation district

precinct count

Counting ballots in the same precinct in which those ballots have been cast.

precinct split

A subdivision of a precinct which arises when a precinct is split by two or more election districts that may require different ballot styles.

Synonyms: split, split precinct, sub-precinct

presentable ballot style

Ballot style that includes all presentational details required to generate a ballot. This may include language, ordering of contests and candidates, and structural content such as headers.

presidential primary election

Primary election in which voters choose the delegates to the presidential nominating conventions allotted to their states by the national party committees.

primary election

Election held to determine which candidates qualify to appear as contest options in subsequent elections.

privacy (for voters)

A property of a voting system that is designed and deployed to enable voters to obtain a ballot, and mark, verify, and cast it without revealing their ballot selections or selections of language, display and interaction modes to anyone else. This does not preclude the ability of a voter to request assistance under state law.

private key

The secret part of an asymmetric key pair that is typically used to verify, digitally sign, or decrypt data.

product standard

Standard that specifies requirements to be fulfilled by a product or a group of products, to confirm it can perform its intended task.

programmed device

Electronic device that includes software. Most electronic voting devices include application logic (software) and are, therefore, programmed devices.

proportional voting

A vote variation used in multi-seat contests where the votes allowed in the contest are distributed to the selected candidates proportionally depending on the number of selections. This may result in candidates receiving fractional votes.

provisional ballot

A failsafe ballot provided to a voter whose eligibility for a regular ballot cannot be immediately determined. The ballot may be counted or further processed depending on state law.

Synonyms: affidavit ballot

public key

Public part of an asymmetric key pair that is typically used to verify digital signatures or encrypt data.

Public Key Infrastructure

A set of roles, policies, and procedures used to establish greater trust in the authenticity of a digital certificate and for use in creating, managing, distributing, using, storing, and revoking digital certificates.

public test

An abbreviated logic and accuracy test of voting equipment, pre-announced in public media and open to public attendance, usually in conformance with specific election calendar timing.

QR Code

Quick Response Code. A 2-D, trademarked bar code. Some voting systems will encode the voter's selections in a QR Code that can be read on a scanner in the precinct and converted to a printed ballot.

range voting

A vote variation for single-seat contests, in which voters give each candidate a score, the scores are added (or averaged), and the candidate with the highest total is elected.

ranked choice voting

A vote variation:

  • which allows each voter to rank contest options in order of the voter's preference,
  • in which votes are counted in rounds using a series of runoff tabulations to defeat contest options with the fewest votes, and,
  • which elects a winner with a majority of final round votes in a single-winner contest and provides proportional representation in multi-winner contests.

Synonyms: instant run-off voting, ranked order

read ballot

Cast ballot that has been successfully accepted and initially processed.

Synonyms: scanned ballot

recall issue with options

Vote variation that allows voters to remove elected representatives from office before their terms of office expire. The recall may involve not only the question of whether a particular officer should be removed, but also the question of naming a successor in the event that there is an affirmative vote for the recall.

recallable ballot

Recorded ballot that can be individually retrieved and included or excluded from further processing.

recertification

Re-examination, and possibly retesting, of a voting system that was modified after being previously certified. The object of recertification is to determine if the system as modified still conforms to the requirements.

record

(n) Preserved evidence of activities performed or results achieved (for example, forms, reports, test results). (v) To create a record.

recorded ballot

A ballot for which there is an associated cast vote record.

recount

Repeat tabulation of votes cast in an election, whether manually or electronically, that is used to determine the accuracy of an initial count.

report

Self-contained, time-stamped, archival record, such as a printout or analogous electronic file that is produced at a specific time and subsequently protected from modification.

report total error rate

Ratio of the report total error to the report total volume.

reporting unit

Geographical area in which reported totals or counts are reported (for example, an election jurisdiction, precinct, or election district).

reproducibility

Ability to obtain the same test results by using the same test method on identical test items in different testing laboratories with different operators using different equipment.

residual vote

Vote that could not be allocated to a specific contest due to an undervote or overvote.

reviewed ballot

Ballot that has been reviewed (either electronically or by the voter) before it is cast, to determine what contest selections it contains.

risk assessment

The process of identifying the risks to system security and determining the probability of occurrence, the resulting impact, and safeguards that would mitigate this impact.

risk-limiting audit

Procedure for checking a sample of ballots (or voter verifiable records) that is guaranteed to have a large, pre-specified chance of correcting the reported outcome if the reported outcome is wrong (that is, if a full hand count would reveal an outcome different from the reported outcome).

runoff election

Election to select a winner following a primary election or a general election, in which no candidate in the contest received the required minimum percentage of the votes cast. The two candidates receiving the most votes for the contest in question proceed to a runoff election.

seat

An elected office position that a single officeholder may occupy for a term of office.

second chance voting

Feature of a voter facing scanner that reviews the ballot for possible marking mistakes, informs the voter, and presents an opportunity to cast as-is or return the ballot.

security analysis

An inquiry into the potential existence of security flaws in a voting system. Includes an analysis of the system's software, firmware, and hardware, as well as the procedures associated with system development, deployment, operation, and management.

security controls

Management, operational, and technical controls (that is, safeguards or countermeasures) prescribed for an information system to protect the confidentiality, integrity, and availability of the system and its information.

security strength

A metric associated with the amount of work (that is, the number of operations) that is required to break a cryptographic algorithm or system.

software independence

Quality of a voting system or voting device where a previously undetected change or fault in software cannot cause an undetectable change or error in election outcome.

source code

Human readable computer instructions that, when compiled or interpreted, define the functionality of a programmed device. Source code can be written by humans or by computers.

spear phishing

A targeted attack by hackers, using bogus emails, that attempts to get the victim to provide login information or personal information to the hackers. Spear Phishing attempts may appear to originate from legitimate, known sources, such as organizational IT or known vendors.

special election

Primary election or general election that is not regularly scheduled. A special election may be combined with a scheduled election.

spoil

(A ballot) To mark or otherwise alter a ballot so it indicates in a human-readable manner that the ballot is not to be cast.

spoiled ballot

A ballot that has been issued to a voter but will not be cast, usually because it has been incorrectly marked or impaired in some way.

standard

A document that provides requirements, specifications, guidelines, or characteristics that can be used consistently to ensure that materials, products, processes, and services are fit for their purpose.

straight party override

Explicit voter selection that overrides or supplements the vote selections made by a straight party voting option. Straight party overrides may be subject to state election rules for how they work or whether they are allowed.

straight party voting

Mechanism that allows voters to cast a single vote to select all candidates on the ballot from a single political party.

street segment data

The portion of a street between two consecutive cross streets that can be assigned to a precinct.

support software

Software that aids in developing, maintaining, or using other software, for example, compilers, loaders and other utilities.

symmetric cryptography

Encryption system that uses the same key for encryption and decryption. This key must be kept secret.

Synonyms: secret key cryptography

system extent

Administrative unit that is the entire scope within which the voting system is used (for example, a county). The system extent corresponds to the top-level reporting context for which the system generates reports.

t-coil

Inductive coil used in some hearing aids to allow reception of an audio band magnetic field signal instead of an acoustic signal. The magnetic or inductive mode of reception is commonly used in conjunction with telephones, auditorium loop systems, and other systems that provide the required magnetic field output.

tabulate

Process of totaling votes.

Synonyms: count

tabulation report

A report containing the counts associated with ballots tabulated for a given election district.

tactile controls

Tactile controls are discernable or perceptible by touch using hands, feet, or other parts of the body. (Does not include touch screens.) Dual switches are a form of tactile controls that can be used by voters with minimal use of their hands.

technical data package

Manufacturer documentation relating to the voting system, which can include manuals, description of components, and details of architectural and engineering design.

test

Procedure used to determine one or more characteristics of a given product, process, or service according to a specified procedure for conformity assessment. A test may be an operational test or a non-operating test (for example, an inspection).

test deck

A set of marked ballots with a predetermined outcome. Used for logic and accuracy testing of a voting system.

test method

Specified technical procedure for performing a test, procedures by which tests are derived, or a combination of these.

test plan

Document created prior to testing that outlines the scope and nature of testing, items to be tested, test approach, resources needed to perform testing, test tasks, risks, and schedule.

test suite

Implementation of a set of operational tests for a particular object (such as a specific voting system) or class of objects (such as all voting systems that can interpret the language in which the test data are expressed).

third-party logic

Software, firmware, or hardwired logic that is neither application logic nor COTS. This includes, for example, general-purpose software developed by a third party that is either customized (for example, ported to a new platform, as is Windows Embedded Compact), not widely used, or source-code generated by a COTS package.

token

Something a user possesses and controls, typically a key or password, that is used to authenticate an identity.

Synonyms: authentication token, cryptographic token

touch screen voting machine

A vote-capture device that utilizes a computer screen to display the ballot and allows the voter to indicate their selections by touching designated locations on the screen.

town

An urban area that has a name, defined boundaries, and local government, and that is generally larger than a village and smaller than a city. Term used in New England, New York, and Wisconsin to refer to the equivalent of the civil township in these states.

township

A widely used unit of local government in the United States, subordinate to a county, with some form of local government for which it generally conducts elections.

Synonyms: civil township

undervote

Occurs when the number of voter selections in a contest is less than the maximum number allowed for that contest or when no selection is made. The number of undervotes is equal to the number of votes lost, for example, if no selection is made in a vote for two contest the number of votes lost is two.

Synonyms: under-vote

Uniformed and Overseas Citizens Absentee Voting Act

Act of Congress in 1986 requiring that the states and territories allow certain groups of citizens to register and vote absentee in elections for Federal offices.

UOCAVA voter

An overseas voter or an active duty member of the U.S. military, either within or outside the United States, including any accompanying spouse and family members who are eligible to vote in their last place of residence in the United States. The Uniformed and Overseas Citizens Absentee Voting Act is commonly referred to as UOCAVA.

usability

Effectiveness, efficiency, and satisfaction with which a specified set of users can achieve a specified set of tasks in a particular environment. Usability in the context of voting refers to voters being able to cast valid votes as they intended quickly, without errors, and with confidence that their contest selections were recorded correctly. It also refers to the usability of the setup and operation of voting equipment in the polling place.

usability testing

Testing that encompasses a range of methods that examine how users in the target audience actually interact with a system, in contrast to analytic techniques such as usability inspection.

user-serviceable failure

Functional failure that can be remedied by a troubleshooter or election official using only knowledge found in voting equipment user documentation.

valid vote

See contest option vote.

validation

Process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements.

visual format

A display format in which contest options and other information are displayed on screen or paper for perception using sight.

vote

Indication of support for a particular contest option.

vote center

A physical location where voters from multiple precincts may cast their ballots.

vote for N of M

A multi-seat contest in which voters are allowed to vote for a specified number ("N") of candidates.

vote variation

Voting style or feature, including but not limited to the following: approval voting, borda count, cumulative voting, n-of-m voting, plurality voting, proportional voting, range voting, ranked choice voting and super majority voting.

vote-by-mail

Method of voting by which eligible voters are mailed ballots and information packets by the local election jurisdiction. Voters may be able to return their marked ballots by mail, bring them to an election office, or drop them off in secure drop boxes.

Synonyms: all-mail voting, mail voting, postal voting

vote-capture device

An electronic voting device that is used directly by a voter to make selections on a ballot.

voter

Person permitted to cast a ballot.

voter facing scanner

An electronic voting device that:

Synonyms: precinct-count optical scanner

voter intent

A cognitive construct, formed by the voter, that they attempt to express through actions taken to mark, verify, and cast the issued ballot.

voter intent standard

A standard for counting ballots that aims to ensure that ballots are counted in accordance with the goals of the voter, using written rules for both human processes and machine algorithms to ensure that all ballots marked in a similar way are counted in the same way.

voter verifiable

A voting system feature that provides the voter an opportunity to verify that their contest selections are being recorded correctly before the ballot is cast.

voter verified paper audit trail

A paper document that the voter can review before officially casting their ballot.

voting device

Device that is part of the voting system.

voting process

Entire array of procedures, people, resources, equipment, and locations associated with conducting elections.

voting session

A collection of activities including ballot issuance, voter interaction with the vote-capture device, voting, verification, and casting.

voting station

The location within a polling place where voters may record their votes. A voting station includes the area, location, booth, or enclosure where voting takes place.

voting system

Equipment (including hardware, firmware, and software), materials, and documentation used to define elections and ballot styles, configure voting equipment, identify and validate voting equipment configurations, perform logic and accuracy tests, activate ballots, capture votes, count votes, reconcile ballots needing special treatment, generate reports, transmit election data, archive election data, and audit elections.

voting system software

The executable code and associated configuration files needed for the proper operation of the voting system.

Voting System Test Lab

Privately owned testing laboratories that test voting systems (and other election systems) for conformance to the Voluntary Voting System Guidelines (VVSG) or to other requirements, including individual state requirements. VSTLs are periodically reviewed for conformance to National Voluntary Laboratory Accreditation Program (NVLAP) administered by the National Institute for Standards and Technology (NIST).

white box testing

Testing based on an analysis of the internal structure of the component or system.

Wi-Fi

A wireless networking technology that uses radio waves to provide high-speed Internet network connections.

Wide Area Network

A network that connects computers across metropolitan, regional, and national boundaries. The internet is an example of a WAN.

wireless

Network connectivity using radio waves instead of wire connections.

write-in option

A type of contest option that allows a voter to specify a candidate, usually not already listed as a contest option. Depending on election jurisdiction rules, in some cases only previously approved names will be considered as valid write-in contest selections.

zero report

A tabulation report produced at the opening of polls to check that there are no stored votes.

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