Glossary
Searchable terminology from accessibility, web standards, and related fields.
840 results found in assistive technology.
- TTY Relay Service (Telecommunications Relay Service, TRS, Text Telephone Relay)
- A telecommunications service that enables people who are deaf, hard of hearing, or have speech disabilities to communicate by telephone through a relay operator who converts between text and voice. Us…
- Tablet PC (Tablet Computer, Pen Tablet)
- A portable computing device featuring a touchscreen display that can be operated with fingers, a stylus, or both. For accessibility purposes, tablets offer several advantages: adjustable screen angle …
- Tactile Aid (Tactile Learning Aid, Tactile Tool)
- A physical object designed to convey information through touch, used to make visual or abstract concepts accessible to people who are blind or have low vision. Tactile aids can include raised-line dra…
- Tactile Ballot (Tactile Voting Device, Tactile Template, Tactile Sleeve, Braille Sleeve)
- A physical overlay, sleeve, or template placed over a paper ballot that provides raised, cut-out, or braille markings aligned with ballot boxes so that blind and low-vision voters can locate candidate…
- Tactile Data Comics (TDC)
- A presentation method for accessible education that combines step-by-step tactile graphics on a refreshable tactile display with synchronized verbal narration. Inspired by visual data comics, tactile …
- Tactile Display (Haptic Display)
- A device that presents information through the sense of touch, using raised elements, vibrations, or other tactile stimuli to convey data that would typically be presented visually. Tactile displays s…
- Tactile Feedback (Haptic Feedback, Touch Feedback)
- Physical sensations provided to a user through touch, including vibrations, textures, pressure, or resistance, that communicate information or confirm interactions. In accessibility, tactile feedback …
- Tactile Graphic (Tactile Image, Raised-Line Graphic, Tactile Diagram)
- A physical representation of visual information that uses raised lines, textures, and relief to convey images, diagrams, maps, and other visual content through touch. Tactile graphics are essential fo…
- Tactile Graphic Reader (Tactile Graphic Display, Tactile Image Reader)
- A device that combines physical tactile graphics (raised-line images on paper) with digital audio feedback, enabling blind and visually impaired users to explore graphical content through touch while …
- Tactile Graphics (Tactile Images, Tactile Diagrams, Raised-Line Graphics)
- Visual information represented in a form that can be perceived through touch, enabling people who are blind or have low vision to access images, diagrams, maps, charts, and spatial layouts. Tactile gr…
- Tactile Graphics (Tactile Diagrams, Raised Graphics)
- Visual information represented in a raised or textured format that can be perceived through touch, enabling blind and low vision users to access charts, maps, diagrams, and illustrations. Tactile grap…
- Tactile Guide (Tactile Jig, Tactile Fixture)
- A physical modification attached to equipment or tools that provides tactile directional feedback to guide a user through a task without relying on vision. In manufacturing and assembly settings, tact…
- Tactile Interface (Haptic interface, Touch-based interface)
- An input/output interface that conveys information through the sense of touch — using vibration, pressure, skin stretch, temperature, or physical shape change. In navigation for blind people, tactile …
- Tactile Manipulatives (Tactile Learning Objects, Tactile Teaching Aids)
- Physical objects designed to be explored through touch for educational purposes, particularly valuable for students who are blind or have low vision. In STEM accessibility, tactile manipulatives inclu…
- Tactile Marker (Tactile Anchor, Physical Anchor)
- Physical objects such as coasters, placemats, or textured stickers placed in the environment to provide tactile reference points that help bridge virtual and physical interactions. In AR-based low-vis…
- Tactile Markers (Bump Dots, Tactile Labels, Braille Labels)
- Physical indicators such as raised dots, textured stickers, or braille labels applied to objects, appliances, and controls to make them identifiable by touch for people who are blind or have low visio…
- Tactile Model (3D Tactile Object, Touch Model)
- A three-dimensional physical object designed to be explored through touch, used to convey spatial, structural, or conceptual information to blind and low vision users. Tactile models can represent any…
- Tactile Overlay (Touch Overlay, Tactile Screen Overlay)
- A physical sheet or frame placed on top of a touchscreen or flat surface that provides raised tactile landmarks, borders, buttons, and contextual information for users who are blind or have low vision…
- Tactile Screenshots (Tactile UI Representations)
- Embossed or raised representations of graphical user interface screens that allow blind users to explore software layouts through touch. Tactile screenshots preserve the spatial arrangement of UI elem…
- Tactile User Interface (Tactile UI, TUI)
- A user interface designed to be operated and understood through the sense of touch, enabling interaction for blind and low vision users. Tactile user interfaces may include physical buttons with tacti…