Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 290 of 333
- Talking Browser (Talking Web Browser, Speaking Browser)
- A historical term for a specialised web browser that converts on-screen content into synthesised speech, enabling blind and low-vision users to browse the web through audio rather than through a separ…
- Talking Head (Virtual Talking Head, Animated Face, 3D Talking Head, Virtual Speech Tutor)
- A talking head is a computer-generated 3D or 2D animated representation of a human face and articulatory system that produces visible speech movements synchronised with audio output. In accessibility …
- Talking Lights
- Talking Lights is a commercial location-signalling system that modulates ordinary fluorescent light fixtures to transmit an inaudible digital signal, which a hand-held receiver carried by a blind user…
- Talking Mats
- A visual communication framework that uses a textured mat and sets of picture symbols to help people express their views on topics that matter to them. Developed at the University of Stirling, Talking…
- Talking Signs (Talking Sign)
- An assistive technology system that uses infrared (IR) frequency modulated voice signals to transmit spoken information about signage to people with vision loss. Developed by the Smith-Kettlewell Eye …
- Talking-Head Video (Talking Head)
- A common educational video format in which a presenter speaks directly to the camera, typically filling the frame, with no or few accompanying visuals. For d/Deaf and Hard-of-Hearing learners, talking…
- Tangible Design Language (Physical Design Language)
- An approach to design communication that uses physical objects, props, and prototypes to enable participants to express their needs, ideas, and preferences through hands-on interaction rather than abs…
- Tangible Interface (Tangible User Interface, TUI)
- A user interface that uses physical objects as representations and controls for digital information, allowing users to interact through touch and manipulation of tangible artifacts. In accessibility c…
- Tangible Programming (Physical Programming, Tangible Coding, Tactile Programming)
- A programming approach that uses physical objects — such as blocks, cards, or robots — that users can manipulate with their hands to create programs, rather than typing code or dragging on-screen elem…
- Tangible Technology (Tangible Interface, Tangible User Interface, TUI)
- Technology that connects physical objects to digital systems, allowing users to interact with computing through touching, manipulating, and moving real-world objects rather than through screens or key…
- Tangible User Interface (TUI, Physical Interface)
- An interface in which users interact with digital information through physical objects and surfaces in the real world. Tangible user interfaces bridge the gap between digital and physical by giving di…
- Tangible interaction (Tangible user interface, TUI, Physical computing)
- An interaction paradigm in which users manipulate physical objects and materials to interact with digital information, bridging the gap between the physical and digital worlds. Tangible interfaces lev…
- Tangram Workstation (Tangram)
- A LibreOffice extension for creating tactile graphics collaboratively. Tangram enables sighted users to design graphics while providing real-time tactile feedback to blind reviewers through a connecte…
- Tap-to-Hear (Point-to-Hear, Tap-to-Listen, Point-and-Click Exploration)
- An interaction paradigm used in tactile graphic readers and touch-based accessibility tools where users touch or tap on elements of a tactile graphic to trigger spoken audio descriptions of the elemen…
- TapTapSee
- An AI-enabled visual assistance app designed for blind and low vision users that identifies objects through photos taken with a smartphone camera. Users double-tap their screen to take a photo, and th…
- Tappability (Tap Target, Tappable)
- The property of a user interface element that indicates whether it can be activated by tapping on a touchscreen device. Tappability is a key concern in mobile accessibility because elements that appea…
- Target Ambiguity (Command Ambiguity)
- A usability problem in voice and speech-based interfaces where a user's spoken command could refer to more than one element on the screen. For example, if multiple buttons share the same label in diff…
- Target Expansion (Expanding Targets, Dynamic Target Sizing)
- An interaction technique where clickable interface elements dynamically grow in size as the cursor approaches, making them easier to select while conserving screen space when not being targeted. Resea…
- Target Highlight Time (THT)
- A performance measure used in human-computer interaction research that captures the time elapsed between when a user positions a pointer over a target and when they initiate an action on that target, …
- Target Selection (Target Acquisition, Pointing)
- The fundamental interaction task of moving a cursor or pointer to a specific location on screen and confirming selection, such as clicking a button or link. Target selection difficulty is affected by …