Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- NVDA(also: NonVisual Desktop Access)
- A free, open-source screen reader for Microsoft Windows developed by NV Access. NVDA enables people who are blind or have low vision to use computers by reading on-screen text aloud through a speech synthesizer or outputting to a refreshable Braille display. As open-source…
- Navigation Axis(also: Multi-Axial Navigation, Axis-Based Navigation)
- A navigation axis is a concept from screen reader research describing a specific linear serialization of a subset of web page elements that represents one navigation strategy. Rather than forcing blind users through a single reading order (the DOM order), a multi-axial…
- Navigation Order(also: Focus Order, Tab Order, Reading Order)
- The sequence in which a user encounters interface elements when navigating with assistive technology, a keyboard, or other non-visual means. A logical navigation order follows the visual layout and semantic structure of the page, typically moving left-to-right and top-to-bottom…
- Non-Visual Web Browser(also: Self-Voicing Browser, Audio Web Browser, Talking Browser)
- A web browser specifically designed for users who cannot see the screen, providing audio-based or haptic interfaces for navigating and interacting with web content. Unlike standard screen readers that overlay existing visual browsers, non-visual browsers are purpose-built to…
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