Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 285 of 333
- Synthetic Phonics (Phonics, Systematic Phonics)
- A method of teaching reading that emphasises learning the sounds (phonemes) associated with letters and letter combinations, then blending those sounds together to form words. Unlike analytic phonics,…
- Synthetic Speech (Artificial Speech, Computer-generated Speech)
- Speech that is artificially produced by computer systems rather than recorded from human speakers. Synthetic speech is the output of text-to-speech systems and is fundamental to screen readers and voi…
- Synthetic Voice (Artificial Voice, Computer-Generated Voice, TTS Voice)
- A digitally generated voice produced by text-to-speech technology, used by individuals with speech impairments as an alternative means of verbal communication. People who rely on synthetic voices for …
- System Access (SA, System Access to Go, SA To Go)
- A screen reader for Windows developed by Serotek Corporation that was notable for offering a free version and a portable "To Go" edition that could run from a USB drive without installation. System Ac…
- 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…
- System Usability Scale (SUS)
- A widely used, standardized questionnaire consisting of 10 items that measures perceived usability of a system. Developed by John Brooke in 1986, SUS provides a "quick and dirty" reliable measure of u…
- System-Class Accessibility (Platform-Level Accessibility)
- The architectural support built into an operating system to make the entire platform usable by people with disabilities. System-class accessibility encompasses three components: alternative input and …
- Systematic Literature Review (SLR, Structured Literature Review)
- A rigorous research methodology that systematically identifies, evaluates, and synthesizes all relevant studies on a particular topic using predefined criteria and transparent processes. Systematic li…
- Systematic Review (Systematic Literature Review)
- A systematic review is a rigorous, reproducible synthesis of research on a narrowly-defined question, using a pre-registered protocol, exhaustive database search, explicit inclusion and exclusion crit…
- Systems of Access
- A conceptual framework describing the dynamic network of people, institutions, environments, and resources that disabled people navigate to meet their needs. Unlike linear models of accessibility that…
- T9 (Text on 9 Keys, Tegic T9)
- T9 (Text on 9 Keys) is a dictionary-based predictive text-entry method developed by Tegic Communications in the 1990s for mobile phone keypads with multiple letters assigned to each numeric key. Rathe…
- TEACCH (Treatment and Education of Autistic and Related Communication-Handicapped Children)
- A comprehensive, evidence-based programme for supporting people with autism spectrum disorder across the lifespan, developed at the University of North Carolina at Chapel Hill. Rather than a single me…
- TEITAC (Telecommunications and Electronic and Information Technology Advisory Committee)
- A US federal advisory committee established in September 2006 by the Access Board to recommend updates to the Section 508 standards and Section 255 telecommunications accessibility guidelines. TEITAC …
- TTY (TDD, Telecommunications Device for the Deaf, Text Telephone, Teletypewriter, Teletype)
- A text-based telecommunications device that enables people who are deaf, hard of hearing, or have speech disabilities to communicate over telephone lines by typing messages that are displayed on a scr…
- 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…
- Tab Order (Focus Order, Navigation Order, Tabbing Order)
- The sequence in which interactive elements receive keyboard focus when a user presses the Tab key to navigate through a web page or application. A logical tab order follows the visual layout and task …
- Table Linearization (Table Serialization)
- Table linearization is the process of converting a two-dimensional HTML table into a one-dimensional sequence of text for non-visual presentation. When a screen reader linearizes a table, it reads the…
- Table Navigation Mode (Table Navigation)
- A screen reader feature that allows users to navigate within data tables by moving a virtual cursor cell-by-cell in two dimensions — by row and by column — rather than reading content linearly. Introd…
- Table Reading Style (Table Reading Strategy, Table Browsing Style)
- The particular way in which a reader accesses and processes the content of a data table, determined by the interaction between the table's structure, content, and the reader's intent. Common table rea…
- Table Recognition (Table Detection, Table Extraction)
- The automated process of detecting and reconstructing tabular data structures from document images, scanned PDFs, or other non-structured formats. Table recognition goes beyond basic OCR by identifyin…