Glossary

Searchable terminology from accessibility, web standards, and related fields.

72 results found in user experience.

Spatial Presence (Sense of Presence)
Spatial presence is the subjective experience of feeling physically located within a virtual or mediated environment — the sensation of "being there" rather than merely observing content on a screen. …
System Usability Scale (SUS)
A widely used 10-item Likert scale questionnaire developed by John Brooke in 1996 that provides a quick, reliable measure of perceived usability. Scores range from 0 to 100, with higher scores indicat…
Text Customization (User Text Preferences, Text Personalization)
The ability for users to adjust the visual presentation of text content to suit their individual reading needs, including modifying font size, typeface, line spacing, letter spacing, color contrast, a…
Usability Testing (Usability Evaluation, User Testing)
A research method in which representative users attempt realistic tasks with a product or prototype while researchers observe and collect data on effectiveness, efficiency, and satisfaction. In access…
Usage analytics (Telemetry, Interaction logging)
The collection and analysis of data about how users interact with a technology system in real-world settings, including session duration, feature usage frequency, settings preferences, and interaction…
User Experience (UX)
A person's perceptions and responses resulting from the use or anticipated use of a product, system, or service, encompassing emotions, beliefs, preferences, physical and psychological responses, and …
User Testing (User Evaluation, End-User Testing)
A research method in which representative users perform tasks with a product or system while evaluators observe, record, and analyze their behavior. In accessibility contexts, user testing with people…
Verbosity (Verbosity Level, Screen Reader Verbosity)
Verbosity refers to the level of detail that an assistive technology — particularly a screen reader or voice browser — provides when announcing interface elements and content. Most screen readers allo…
Voice Augmentation (Audio Augmentation, Voice-Based Augmentation)
A technique for enhancing user interfaces by adding spoken audio feedback to supplement visual information on screen. Voice augmentation provides contextual support through spoken confirmations of use…
Voice user interface (VUI, Conversational interface, Voice interface)
A human-computer interaction paradigm that uses speech as the primary input and audio output as the primary feedback channel. Voice user interfaces range from simple command-and-response systems to co…
Voice-First Design (Voice-First Interface, Audio-First Design)
A design approach for applications and interfaces where voice is the primary input and output modality, with visual elements being secondary or absent. Voice-first design is particularly relevant for …
Web Adaptation (Content Adaptation, Web Content Adaptation)
The process of automatically modifying web content to improve usability, accessibility, or presentation for specific users, devices, or contexts. Web adaptation techniques include restructuring page l…