Glossary

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IAccessible2(also: IA2)

An open accessibility API specification originally developed by IBM and donated to the Linux Foundation. IAccessible2 extends Microsoft Active Accessibility (MSAA) to support the richer semantic information needed by Web 2.0 applications, including WAI-ARIA roles, states, and…

ICADD(also: International Committee on Accessible Document Design)

A non-profit organization that developed techniques for making structured electronic documents accessible to people with print disabilities. ICADD created the SDA (SGML Document Access) mechanism — a set of attributes that map complex document type definitions to a simplified…

ICF(also: International Classification of Functioning, Disability and Health)

A framework developed by the World Health Organization (WHO) and endorsed by all 191 member states in 2001 for describing and measuring health and disability. The ICF takes a biopsychosocial approach, classifying functioning and disability across four components: body functions…

ICT Accessibility(also: Information and Communication Technology Accessibility)

The design and development of information and communication technology products and services so they can be used by people with the widest range of abilities, including those with visual, hearing, motor, and cognitive disabilities. ICT accessibility encompasses hardware,…

IIIF(also: International Image Interoperability Framework, Triple-I-F)

The International Image Interoperability Framework (IIIF) is a set of open, community-developed technical specifications and APIs that enable cultural heritage institutions to share, access, and reuse digital image collections in a standardised way. IIIF provides an Image API…

IMS AccessForAll(also: AccLIP, IMS Accessibility for LIP, AccessForAll)

A specification from IMS Global Learning Consortium that defines how to describe learner accessibility preferences and match them with appropriate learning resources. IMS AccessForAll extends the IMS Learner Information Package (LIP) with detailed accessibility preference…

IMS Content Packaging(also: IMS CP, Content Package)

IMS Content Packaging is a specification from the IMS Global Learning Consortium that defines a standard way to bundle and exchange digital learning content between different learning management systems and educational platforms. A content package consists of a manifest file…

ISCII(also: Indian Script Code for Information Interchange)

A character encoding standard developed by the Government of India for representing Indian language text in digital systems. ISCII uses a single encoding scheme that can represent characters from all major Indian scripts by exploiting their common phonetic structure — each…

ISO 24751(also: ISO/IEC 24751, Individualized Adaptability and Accessibility in E-Learning)

ISO 24751 (Individualized Adaptability and Accessibility in E-Learning, Education and Training) is an international standard for matching the accessibility features of digital learning resources and environments to the needs and preferences of individual learners. Published in…

ISO 9241-210(also: Human-Centred Design Standard, Ergonomics of Human-System Interaction — Part 210)

An international standard specifying the principles and activities of human-centred design (HCD) for interactive systems. It defines a six-step iterative process — understanding context of use, specifying user requirements, producing design solutions, and evaluating against…

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