dotnet · BillWagner · Jul 10, 2020 · Jul 10, 2020 · Jul 10, 2020
diff --git a/docs/framework/interop/registration-free-com-interop.md b/docs/framework/interop/registration-free-com-interop.md
@@ -1,5 +1,6 @@
 ---
 title: "Registration-Free COM Interop"
+description: Use registration-free COM interop to activate a component without using the Windows registry to store assembly information.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "assemblies [.NET Framework], interop"

diff --git a/docs/framework/interop/specifying-a-character-set.md b/docs/framework/interop/specifying-a-character-set.md
@@ -1,5 +1,6 @@
 ---
 title: "Specifying a Character Set"
+description: Learn how to specify a character set that uses narrow (ANSI) or wide (Unicode) encoding. You can alternatively specify automatic runtime selection.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

diff --git a/docs/framework/interop/specifying-an-entry-point.md b/docs/framework/interop/specifying-an-entry-point.md
@@ -1,5 +1,6 @@
 ---
 title: "Specifying an Entry Point"
+description: Learn to specify an entry point, which identifies a function's location in a DLL. You can rename the function by mapping the entry point to another name.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "EntryPoint field"

diff --git a/docs/framework/interop/type-equivalence-and-embedded-interop-types.md b/docs/framework/interop/type-equivalence-and-embedded-interop-types.md
@@ -1,5 +1,6 @@
 ---
 title: "Type equivalence and embedded interop types"
+description: Understand type equivalence between .NET types and members with a managed assembly, and COM types that are embedded into that assembly. For .NET 4 and above.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "type equivalence"

diff --git a/docs/framework/mef/attributed-programming-model-overview-mef.md b/docs/framework/mef/attributed-programming-model-overview-mef.md
@@ -1,5 +1,6 @@
 ---
 title: "Attributed Programming Model Overview (MEF)"
+description: Get started with the attributed programming model, which is the default programming model for the Managed Extensibility Framework (MEF) in .NET.
 ms.date: "03/30/2017"
 dev_langs:
   - "csharp"

diff --git a/docs/framework/mef/composition-analysis-tool-mefx.md b/docs/framework/mef/composition-analysis-tool-mefx.md
@@ -1,5 +1,6 @@
 ---
 title: "Composition Analysis Tool (Mefx)"
+description: Read about the composition analysis tool (Mefx), which analyzes DLL and EXE files that contain Managed Extensibility Framework (MEF) parts in .NET.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "Composition Analysis Tool [MEF]"

diff --git a/docs/framework/mef/index.md b/docs/framework/mef/index.md
@@ -1,5 +1,6 @@
 ---
 title: "Managed Extensibility Framework (MEF)"
+description: Explore the Managed Extensibility Framework (MEF), which lets application developers discover and use extensions without configuration in .NET 4 or above.
 ms.date: "03/30/2017"
 dev_langs:
   - "csharp"

diff --git a/docs/framework/mef/mef-for-net-for-windows-store-apps.md b/docs/framework/mef/mef-for-net-for-windows-store-apps.md
@@ -1,5 +1,6 @@
 ---
 title: "MEF for .NET for Windows Store Apps"
+description: Review Managed Extensibility Framework (MEF) namespaces that contain types for developing extensible Windows 8.x Store apps.
 ms.date: "03/30/2017"
 ms.assetid: 7667770e-d163-4ad6-a303-085cf73db2f2
 ---

diff --git a/docs/framework/misc/code-access-security-basics.md b/docs/framework/misc/code-access-security-basics.md
@@ -1,5 +1,6 @@
 ---
 title: "Code Access Security Basics"
+description: "Learn code access security basics for apps targeting the CLR: type-safe code, imperative and declarative syntax, secure class libraries, and transparent code."
 ms.date: "03/30/2017"
 dev_langs:
   - "csharp"

diff --git a/docs/framework/misc/code-access-security-policy-compatibility-and-migration.md b/docs/framework/misc/code-access-security-policy-compatibility-and-migration.md
@@ -1,5 +1,6 @@
 ---
 title: "Code Access Security Policy Compatibility and Migration"
+description: Read a summary and see links about code access security policy compatibility and migration in .NET 4.
 ms.date: "03/30/2017"
 helpviewer_keywords:
   - "policy migration, compatibility"

diff --git a/docs/framework/misc/code-access-security.md b/docs/framework/misc/code-access-security.md
@@ -1,5 +1,6 @@
 ---
 title: "Code Access Security"
+description: Learn about the code access security mechanism in .NET, which helps protect computer systems from malicious mobile code.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "named permission sets, code access security"

diff --git a/docs/framework/misc/dangerous-permissions-and-policy-administration.md b/docs/framework/misc/dangerous-permissions-and-policy-administration.md
@@ -1,5 +1,6 @@
 ---
 title: "Dangerous Permissions and Policy Administration"
+description: See links to the various dangerous permissions in .NET. These permissions should be given only to trustworthy code, and only when necessary.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "permissions [.NET Framework], policy administration"

diff --git a/docs/framework/misc/how-to-run-partially-trusted-code-in-a-sandbox.md b/docs/framework/misc/how-to-run-partially-trusted-code-in-a-sandbox.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Run Partially Trusted Code in a Sandbox"
+description: Discover how to run partially trusted code in a sandbox in .NET. The AppDomain class is an effective way of sandboxing managed applications.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "partially trusted code"

diff --git a/docs/framework/misc/link-demands.md b/docs/framework/misc/link-demands.md
@@ -1,5 +1,6 @@
 ---
 title: "Link Demands"
+description: Read about link demands, which cause a security check during just-in-time (JIT) compilation, and examine only the immediate calling assembly of your code.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

diff --git a/docs/framework/misc/securing-exception-handling.md b/docs/framework/misc/securing-exception-handling.md
@@ -1,5 +1,6 @@
 ---
 title: "Securing Exception Handling"
+description: See how to make exception handling secure in .NET code. Review the order in which code runs if there are try, except, catch, and finally statements.
 ms.date: "03/30/2017"
 dev_langs: 
   - "cpp"

diff --git a/docs/framework/misc/securing-method-access.md b/docs/framework/misc/securing-method-access.md
@@ -1,5 +1,6 @@
 ---
 title: "Securing Method Access"
+description: Learn how to make method access secure for methods that aren't intended for public use but still need to be public.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

diff --git a/docs/framework/misc/securing-wrapper-code.md b/docs/framework/misc/securing-wrapper-code.md
@@ -1,5 +1,6 @@
 ---
 title: "Securing Wrapper Code"
+description: Review how to secure wrapper code, which can open a unique set of security weaknesses, especially if the wrapper has higher trust than the code that uses it.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "security [.NET Framework], wrapper code"

diff --git a/docs/framework/misc/security-and-public-read-only-array-fields.md b/docs/framework/misc/security-and-public-read-only-array-fields.md
@@ -1,5 +1,6 @@
 ---
 title: "Security and Public Read-only Array Fields"
+description: Read why you should avoid using public read-only array fields to define the boundary behavior or security of your applications.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "security [.NET Framework], public read-only array fields"

diff --git a/docs/framework/misc/security-and-remoting-considerations.md b/docs/framework/misc/security-and-remoting-considerations.md
@@ -1,5 +1,6 @@
 ---
 title: "Security and Remoting Considerations"
+description: Learn about security considerations in regard to remoting, which lets you set up transparent calling between application domains, processes, or computers.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "code security, remoting"

diff --git a/docs/framework/misc/security-and-serialization.md b/docs/framework/misc/security-and-serialization.md
@@ -1,5 +1,6 @@
 ---
 title: "Security and Serialization"
+description: Read about security and serialization. Use SecurityPermission with the SerializationFormatter flag specified to see or modify object instance data.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"