Glossary
Searchable terminology from accessibility, web standards, and related fields.
88 results found in Accessibility Concepts.
- User-System Model (User-System Interaction Model)
- A conceptual model that describes the relationship between a user and the technology system they interact with, taking into account the user's abilities, preferences, and needs alongside the system's …
- View Hierarchy (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, specifyin…
- Visual Affordance (Visual Affordances)
- A visually conveyed cue that signals how an object can be used or what it represents - for example, a handle suggesting 'grasp', a button suggesting 'press', or color and labeling suggesting product i…
- Visual Orchestration (Visual Attention Management)
- A design orientation, articulated by Huffman et al. (2026), for deliberately coordinating visual cues, salience, timing, and layout so that participants in a shared environment know where to look, whe…
- Visually Impaired (Vision Impairment, Visual Impairment, BVI)
- An umbrella term for any degree of reduced visual function that cannot be fully corrected with standard glasses or contact lenses, ranging from mild low vision to total blindness. The term is frequent…
- Web Accessibility Barrier (WAB, Accessibility Barrier)
- Any element, design pattern, or technical implementation on a web page that prevents or hinders people with disabilities from accessing, understanding, or interacting with content. Common web accessib…
- Web Mobility (Hypertext Mobility, Web Navigation Mobility)
- A conceptual framework that applies principles of physical mobility and wayfinding to web navigation, particularly for visually impaired users. Web mobility encompasses the ability to move through hyp…
- Window Shopping (Recreational window-shopping, Browsing)
- The casual practice of looking at shops, displays, or goods without a specific purchase in mind — social activity valued for its own sake as much as for any eventual transaction. Accessibility researc…