Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Authoring Tool Accessibility Guidelines (ATAG)(also: ATAG, ATAG 2.0)
- A W3C Web Accessibility Initiative standard that provides guidelines for designing authoring tools — such as content management systems, website builders, and code editors — that are both accessible to authors with disabilities and capable of producing accessible web content.…
- Body Sheet(also: Body Map, Body Mapping)
- A body sheet is an outline drawing of the human body (typically front, back, and side views) used as a canvas onto which participants map bodily sensations, emotions, or symptoms. Originating in art therapy and physiotherapy pain-mapping practice, body sheets have been adopted…
- CVD Simulation(also: Colour Blindness Simulation, Color Vision Simulation)
- A technique that transforms colours in a design to approximate how they would appear to a person with a specific type of colour vision deficiency. CVD simulations are the most widely implemented feature in accessibility design tools, available in browsers (Chrome, Firefox),…
- CogTool
- A cognitive modeling tool developed at Carnegie Mellon University that generates quantitative predictions of human task performance times based on the Keystroke-Level Model (KLM) and the ACT-R cognitive architecture. Designers create storyboards of user interface screens and…
- Colour Palette Generation(also: Color Palette Generation, Accessible Palette Generation)
- The automated or semi-automated creation of sets of colours that are distinguishable by people with different types of colour vision deficiency while meeting aesthetic and functional design requirements. Despite its importance, colour palette generation is an underrepresented…
- Computer-Aided Design(also: CAD)
- The use of software to create, modify, analyse, and optimise designs for physical objects or systems. In accessibility contexts, CAD tools are critical for designing assistive technology, tactile graphics, and 3D printable models, but most commercial CAD applications rely…
- Empathy Tools(also: Empathy Aids, Empathy-building Tools, Age Suits)
- Empathy tools are physical or digital artefacts designed to give non-disabled designers a limited first-hand experience of specific impairments or ageing effects — cataract-simulating goggles, blurring film overlays, age suits that add weight and restrict joint movement,…
- Figma
- Figma is a browser-based collaborative design tool widely used for UI/UX design, prototyping, and design-system management. Its real-time multi-user editing, component libraries, and developer-handoff features have made it a de-facto standard in product design. Figma's…
- Simulation Glasses(also: Cataract Glasses, Vision Simulation Glasses, Low-Vision Simulation Goggles)
- Simulation glasses are wearable lenses or goggles that reproduce the functional visual experience of specific eye conditions — cataracts, macular degeneration, glaucoma, hemianopia, and others — by blurring, smearing, adding central scotomas, or restricting the field of view.…
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