Glossary

Searchable terminology from accessibility, web standards, and related fields.

6660 terms — page 9 of 333

Access-Stabilising Support
A design framing, introduced by Bhuiyan et al. (2026), that positions AI in Deaf education not as an autonomous translator or replacement instructor but as a mediated tool whose role is to preserve vi…
AccessComputing
An NSF-funded alliance led by the University of Washington that works to increase the participation of people with disabilities in computing fields. AccessComputing connects students with disabilities…
AccessForAll (Access For All, AfA)
AccessForAll is an accessibility framework originating from the IMS Global Learning Consortium and later standardized by ISO, based on the principle that accessibility is best achieved by matching con…
AccessiWeb (AccessiWeb Reference List)
A French web accessibility methodology and reference list developed by BrailleNet, providing a practical application framework based on WCAG. AccessiWeb translates WCAG success criteria into testable …
Accessibility (A11y)
The design of products, devices, services, environments, and systems so that they can be used by people with the widest range of abilities, including those with disabilities. In digital contexts, acce…
Accessibility API (Accessibility Interface, Platform Accessibility API)
A programming interface provided by an operating system or UI framework that exposes information about user interface elements to assistive technologies. Accessibility APIs enable screen readers, swit…
Accessibility API (Accessibility Application Programming Interface, Platform Accessibility API)
A software interface provided by operating systems and browsers that exposes information about user interface elements — including their roles, states, properties, and relationships — to assistive tec…
Accessibility API (Accessibility Application Programming Interface, A11y API)
A set of programming interfaces provided by operating systems that allow assistive technologies and accessibility services to interact with application user interfaces. Accessibility APIs expose infor…
Accessibility API Mapping (AAM, Accessibility API Mappings, Acc API Mapping)
Accessibility API Mappings (AAMs) are W3C specifications that define how the semantics of web content technologies — such as HTML, SVG, and WAI-ARIA — correspond to features in platform accessibility …
Accessibility Advocacy (Accessibility Activism, A11y Advocacy)
The practice of promoting, educating others about, and pushing for the adoption of accessible practices in digital and physical environments. In online spaces, accessibility advocacy often falls dispr…
Accessibility Allyship (Disability Allyship, A11y Allyship)
The practice of non-disabled individuals actively supporting and advocating for people with disabilities by learning about accessibility barriers, amplifying disabled voices, and taking concrete actio…
Accessibility Annotation (A-Annotation, Accessibility Metadata)
External metadata added to a web page to describe its visual layout structure, content groupings, and element roles for the purpose of improving accessibility without modifying the original page. Acce…
Accessibility Audit (Accessibility Review, A11y Audit)
A structured evaluation of a digital product, website, or application against established accessibility standards, typically WCAG, to identify barriers that prevent people with disabilities from using…
Accessibility Awareness
The level of knowledge and understanding that individuals, particularly software developers and designers, have about accessibility requirements, standards, and the needs of people with disabilities. …
Accessibility Barrier (A11y Barrier)
Any aspect of a digital product, web page, document, or service that prevents or impedes a person with a disability from perceiving, operating, understanding, or using it on an equivalent basis to som…
Accessibility Baseline (Baseline, Technology Baseline, WCAG Baseline)
An accessibility baseline, as used in WCAG 2.0 and later versions, is the set of technologies that a content author assumes are supported and enabled in the user agents (browsers and assistive technol…
Accessibility Bug Report (ABR, Accessibility Defect Report)
A bug report that specifically documents an accessibility barrier or failure in software. These reports describe issues that prevent or hinder people with disabilities from using an application, such …
Accessibility Certification (Third-Party Accessibility Certification, Accessibility Accreditation)
A formal assessment and endorsement of a website or digital product's accessibility by an independent third-party organisation, as distinct from voluntary self-declaration of conformance. Certificatio…
Accessibility Chain (Accessibility Chain of Custody, Chain of Accessibility)
The concept that accessibility must be maintained throughout every link in a sequence of interactions, documents, or systems that a user must navigate to complete a task. If any single link in the cha…
Accessibility Champion (Accessibility Hero, Accessibility Advocate, A11y Champion)
An individual within an organization or institution who takes personal responsibility for promoting and advancing accessibility practices, often without formal mandate or recognition. Accessibility ch…