Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
Search results
- Vibrotactile Feedback(also: VTF, Vibration Feedback)
- A form of haptic feedback that communicates information through vibration patterns delivered to the skin, typically via small motors embedded in wearable devices such as armbands, gloves, or watches. Vibrotactile feedback offers an alternative sensory channel for conveying…
- View Hierarchy(also: UI Hierarchy, Accessibility Hierarchy, DOM Tree)
- The tree-structured representation of how user interface elements are organized and nested within an application. The view hierarchy defines parent-child relationships between UI components, specifying which elements are contained within others and how they are grouped. This…
- Visual Fidelity(also: Graphical Fidelity, VF)
- The degree to which a virtual environment replicates the visual detail, realism, and complexity of real-world settings. In accessibility contexts, visual fidelity affects cognitive load and task performance differently across user populations. Research shows that individuals…
- Visual Information Seeking Mantra(also: Overview First, Shneiderman's Mantra)
- A design principle for information visualisation coined by Ben Shneiderman, summarised as "overview first, zoom and filter, then details-on-demand." The mantra describes an optimal pattern for presenting complex information: start with a broad overview so users can orient…
- Visual Layout Customization(also: Layout Customization, Video Layout Arrangement)
- The ability for users to rearrange, resize, reposition, lock, or remove visual elements in a digital interface to suit their individual needs. In videoconferencing, visual layout customization is critical for d/Deaf and hard of hearing users, who may need to enlarge the…
5 results.