Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Viewability(also: Video Viewability)
- A subjective measure of how watchable and consumable a video is for a particular viewer, encompassing factors like ability to focus on content, level of distraction, information comprehension, and overall comfort with the viewing experience. In ADHD accessibility research,…
- Visual Distraction(also: Visual Clutter, Visual Noise)
- Visual elements in an interface or content that draw attention away from the primary content or task, including animated advertisements, moving backgrounds, decorative overlays, notification badges, recommended content panels, and complex visual layouts. Visual distractions are…
- Voice Usability(also: Auditory Usability, Non-Visual Web Usability)
- The degree to which a web page, application, or document is usable when accessed through a voice browser or screen reader — the audio-first counterpart to traditional visual usability. Voice usability combines structural quality (navigability — how quickly a user can reach…
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