Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 295 of 333
- Testimonial Injustice
- A form of epistemic injustice, articulated by Miranda Fricker, in which a speaker's credibility is unjustly deflated because of prejudice attached to their identity. In accessibility and aging researc…
- Tetraparesis (Quadriparesis)
- Partial weakness or reduced voluntary movement affecting all four limbs, commonly caused by cerebral palsy, spinal cord injury, or neuromuscular disease. Tetraparesis sits on a spectrum with tetrapleg…
- Tetraplegia (Quadriplegia)
- A condition resulting from injury to the cervical (neck) portion of the spinal cord, causing partial or complete loss of motor function and sensation in all four limbs as well as the trunk. The extent…
- Text Alignment (Sequence Alignment, Transcript Alignment)
- The process of matching corresponding segments between two or more text sequences that represent the same content but may differ in timing, wording, or structure. In captioning systems, text alignment…
- Text Alternative (Alt Text, Alternative Text, Text Equivalent)
- A textual replacement for non-text content, primarily images, that conveys the same purpose or information as the visual element. Text alternatives are essential for users who cannot perceive images, …
- Text Alternatives (Text Alternative, Text Equivalent)
- WCAG 2.1 Guideline 1.1 and success criterion 1.1.1 require that all non-text content (images, charts, audio, video, form controls, etc.) have a text alternative serving the equivalent purpose. Text al…
- Text Complexity (Linguistic complexity, Text difficulty)
- The degree to which a piece of writing demands advanced reading skills to comprehend, driven by factors such as vocabulary frequency, syntactic structure, sentence length, passage organisation, and ba…
- Text Correction (Text Editing, Error Correction)
- The process of identifying and fixing errors in text, including substituting incorrect words, inserting missing content, and deleting extraneous characters or words. For blind users, text correction o…
- 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…
- Text Entry (Text Input, Text Generation)
- The process of entering text into a computer or communication device, encompassing the full range of input methods from standard keyboards to alternative approaches used in assistive technology such a…
- Text Entry Rate (Typing Speed, Characters Per Minute, CPM, Words Per Minute, WPM)
- A measure of how quickly a user can input text using a given method, typically expressed in words per minute (WPM) or characters per minute (CPM). One word is conventionally defined as five characters…
- Text Generation Rate (TGR, Text Entry Rate, Text Entry Speed)
- The speed at which a user produces text, typically measured in words per minute (WPM) or characters per second. Text generation rate is a key performance metric in assistive technology evaluation beca…
- Text Gloss (Text Glosses)
- In Augmentative and Alternative Communication (AAC), a text label or annotation associated with a visual symbol (such as an icon or pictogram) on a communication device. The text gloss serves two purp…
- Text Justification (Text Alignment, Justified Text)
- The alignment of text along the left and/or right margins of a text block. Left-aligned (ragged right) text has even spacing between words and an uneven right edge, while fully justified (left-right) …
- Text Messaging (SMS, Short Message Service, Texting, MMS, Multimedia Messaging Service)
- Text messaging is the exchange of short written messages between mobile devices over a cellular or data network, most commonly using the SMS (Short Message Service) or MMS (Multimedia Messaging Servic…
- Text Modification (Text Formatting, Text Presentation Modification)
- Changes to the visual presentation or formatting of text to improve readability without altering the actual content. Text modifications include adjustments to font type, size, color, spacing, line hei…
- Text Reflow (Content Reflow, Responsive Text)
- The ability of text content to rearrange and wrap within its container when the viewport is resized or text is zoomed, so that users can read without horizontal scrolling. Text reflow is essential for…
- Text Scaling Assistive Service (TSAS, Font Size Scaling)
- An Android platform service that allows users to increase or decrease the size of text displayed across applications. Text Scaling Assistive Service is critical for users with low vision who need larg…
- Text Simplification (Plain Language Conversion, Content Simplification)
- The process of rewriting text to make it easier to read and understand, typically by using shorter sentences, simpler vocabulary, and clearer structure while preserving the essential meaning. Text sim…
- Text Simplification (Automatic Text Simplification, Content Simplification)
- The process of transforming complex written text into simpler, more understandable versions while preserving the essential meaning. Text simplification can be performed manually by content authors fol…