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---
title: "ARIA: roletype role"
slug: Web/Accessibility/ARIA/Roles/roletype_role
page-type: aria-role
spec-urls: https://w3c.github.io/aria/#roletype
---
{{AccessibilitySidebar}}
The **`roletype`** role, an [abstract role](/en-US/docs/Web/Accessibility/ARIA/Roles#6._abstract_roles), is the base role from which all other ARIA roles inherit.
> **Note:** The `roletype` role is an abstract role used for the ontology. It is included here for completeness of documentation. It should not be used by web authors.
## Description
The `roletype` role's properties describe the structural and functional purpose of objects that are assigned this role, or "instances". A role is a concept that can be used to understand and operate instances.
Note
## Best Practices
Do not use.
## Specifications
{{Specifications}}
## See also
- [ARIA: `structure` role](/en-US/docs/Web/Accessibility/ARIA/Roles/structure_role)
- [ARIA: `widget` role](/en-US/docs/Web/Accessibility/ARIA/Roles/widget_role)
- [ARIA: `window` role](/en-US/docs/Web/Accessibility/ARIA/Roles/window_role)
- The HTML [`rel`](/en-US/docs/Web/HTML/Attributes/rel) attribute