Glossary

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ACCMD(also: ACCessibility MetaData, IMS ACCessibility MetaData)

A metadata specification developed by the IMS Global Learning Consortium for describing the accessibility characteristics of learning resources. ACCMD provides a structured way to document whether a resource contains auditory, visual, textual, or tactile information, and to…

Accessibility Compliance(also: A11y Compliance, Accessibility Conformance)

The state of meeting the requirements defined by a specific accessibility standard, regulation, or law. Accessibility compliance involves evaluating digital content against technical criteria — such as WCAG success criteria or Section 508 requirements — and ensuring all…

CC/PP(also: Composite Capability/Preference Profiles)

A W3C framework for describing device capabilities and user preferences using RDF (Resource Description Framework). CC/PP enables content servers to adapt the delivery of web content based on the characteristics of the requesting device and the preferences of the user, including…

DAISY(also: Digital Accessible Information System, DAISY Consortium)

An international standard and consortium dedicated to making published information accessible to people with print disabilities including blindness, low vision, dyslexia, and physical disabilities that prevent handling books. The DAISY standard defines a format for creating…

EPUB(also: EPUB 3, Electronic Publication)

An open standard file format for digital books and publications maintained by the World Wide Web Consortium (W3C), formerly by the International Digital Publishing Forum (IDPF). EPUB 3, the current major version, is based on HTML5, CSS, and JavaScript, which means web…

GIGW(also: Guidelines for Indian Government Websites)

A set of guidelines published by the Government of India that establishes standards for the design, development, and management of Indian government websites. GIGW includes requirements for web accessibility, ensuring that government digital services are usable by people with…

Overlay Fact Sheet(also: Accessibility Overlay Fact Sheet)

A public document signed by over 600 accessibility experts, lawyers, and contributors to web accessibility guidelines that critically evaluates the claims made by accessibility overlay vendors. The fact sheet argues that overlays do not adequately address the needs of disabled…

SMIL(also: Synchronized Multimedia Integration Language)

A W3C XML-based markup language for describing multimedia presentations that combine audio, video, text, images, and other media with precise temporal and spatial synchronization. SMIL is significant for accessibility because it includes a MediaAccessibility module that defines…

TEITAC(also: Telecommunications and Electronic and Information Technology Advisory Committee)

A US federal advisory committee established in September 2006 by the Access Board to recommend updates to the Section 508 standards and Section 255 telecommunications accessibility guidelines. TEITAC included representatives from government, industry, consumers, and…

WAI-ARIA(also: ARIA, Accessible Rich Internet Applications)

A W3C technical specification that defines a set of HTML attributes (roles, states, and properties) for making dynamic web content and user interface components accessible to people using assistive technologies. WAI-ARIA bridges the gap between rich interactive web applications…

e-MAG(also: Modelo de Acessibilidade em Governo Eletrônico, Electronic Government Accessibility Model)

The Brazilian government accessibility model (Modelo de Acessibilidade em Governo Eletrônico) that establishes standards and guidelines for making government websites accessible to people with disabilities. First published in 2005 and updated through version 3.1, e-MAG is based…

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