Glossary

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Technology interdependence(also: Technological interdependence, Multi-tool strategy)

The strategic use of multiple complementary technologies in combination to accomplish tasks that no single tool can fully support. For people with disabilities, technology interdependence is particularly relevant in complex real-world activities like travel, where different…

Technophobia(also: Technology Anxiety, Computer Anxiety)

An irrational fear or anxiety about using technology, often manifesting as avoidance of computers, smartphones, or websites. Technophobia can stem from negative past experiences, fear of making mistakes, concerns about privacy and security, or feeling overwhelmed by rapidly…

Technosolutionism(also: Technological solutionism, Techno-solutionism, Tech solutionism)

The belief that complex social problems, including disability, can and should be solved primarily through technology. Popularised by Evgeny Morozov, the term describes a mindset that strips nuance from social issues and recasts them as neat technical problems with computable…

Techshop Method(also: Techshops, QUT Techshop)

A reciprocal co-design research method where researchers learn about participants' perspectives on technology as participants learn about and engage with it. Developed for inclusive technology research with people with intellectual disability, the Techshop format involves…

Tele-rehabilitation(also: Telerehab, Remote Rehabilitation, Virtual Rehabilitation)

Tele-rehabilitation is the delivery of rehabilitation services remotely using information and communication technology, enabling therapy and cognitive training to occur in a person's home or community setting rather than exclusively in clinical facilities. For people with…

Telecoil(also: T-Coil, Telephone Coil, Induction Coil)

A small copper coil inside a hearing aid or cochlear implant processor that picks up magnetic signals and converts them to sound. Telecoils allow hearing device users to receive audio directly from telephones, loop systems, and other compatible devices while reducing background…

Telecommunication equity(also: Communication equity, Functional equivalence)

The principle that people with disabilities should have access to telecommunications services that are functionally equivalent to those available to people without disabilities. For deaf users, this means video calling capabilities (for sign language) should be treated as…

Telecommunications Accessibility(also: Telecom Accessibility)

The design and provision of telephone, mobile, internet, and other communication services and devices so that they are usable by people with disabilities. Telecommunications accessibility encompasses a wide range of accommodations: text telephone (TTY/TDD) services and relay…

Telecommunications Device for the Deaf(also: TDD, TTY, Text Telephone)

A specialized device that enables text-based telephone communication for people who are deaf or hard of hearing. TDDs transmit typed text over telephone lines using acoustic coupling or direct connection, requiring compatible devices at both ends of the conversation. While TDDs…

Teleconferencing Accessibility(also: Video Conferencing Accessibility, Remote Meeting Accessibility)

The practice of ensuring that teleconference and video conferencing platforms and meetings are usable by people with disabilities, including deaf and hard of hearing users, blind and low-vision users, and people with cognitive or motor disabilities. Teleconferencing…

Telegraphic Speech(also: Telegraphic Input, Compressed Speech)

A simplified form of communication that uses only essential content words (nouns, verbs, adjectives) while omitting function words (articles, prepositions, conjunctions) and grammatical inflections. In AAC and assistive technology contexts, telegraphic input allows users with…

Telehealth(also: Telepractice, Telemedicine, Virtual Healthcare)

The delivery of healthcare services, clinical assessments, and therapeutic interventions remotely using telecommunications technology such as videoconferencing, phone calls, and digital platforms. Telehealth expanded dramatically during the COVID-19 pandemic and has become an…

Telehealth(also: Telemedicine, Virtual Healthcare, Remote Healthcare)

The delivery of healthcare services through digital communication technologies, including video conferencing, phone calls, and online portals. Telehealth expanded dramatically during the COVID-19 pandemic as in-person appointments became restricted. While telehealth can improve…

Telemedicine(also: Telecare, Remote Healthcare)

The delivery of healthcare services remotely using telecommunications technology, enabling diagnosis, consultation, treatment, and monitoring without in-person visits. For people with disabilities, telemedicine can reduce barriers to healthcare access including transportation…

Teleoperation(also: Remote Operation, Telerobotics)

Teleoperation is the remote control of a physical system — a robot, manipulator, vehicle, or surgical instrument — by a human operator at a distance, typically using force-feedback haptic devices that let the operator feel contact and resistance from the remote environment.…

Teleportation(also: VR Teleportation)

A VR locomotion method where users point to a destination in the virtual environment and are instantly transported there, bypassing the need for physical movement or continuous virtual walking. Teleportation is generally more accessible than free-roam locomotion for wheelchair…

Telepresence

The extent to which a user feels present in a remote or virtual environment rather than their actual physical location. In VR contexts, telepresence describes the sensation of being transported to the virtual world. For disabled users, VR telepresence offers unique opportunities…

Telepresence Robot(also: Telepresence Device, Remote Presence Robot)

A remotely controlled robot equipped with a mobile base, camera, microphone, and speaker that enables a user to navigate, observe, and interact with people and environments from a distance. Telepresence robots extend the concept of video conferencing by adding mobility and…

Telepresence robot(also: Telepresence, Remote presence robot)

A mobile robotic device that enables a remote user to have a physical presence in a distant location, typically featuring a screen displaying the user's face, a camera, microphone, speaker, and wheels for navigation. In educational and workplace accessibility contexts,…

Telerehabilitation(also: Telerehab, Remote Rehabilitation, Virtual Rehabilitation)

The delivery of rehabilitation services remotely through telecommunications technology, enabling patients to receive therapy at home rather than traveling to clinical settings. Telerehabilitation encompasses video consultations with therapists, remote monitoring of exercises,…

Telescopic Magnifier(also: Bioptic Telescope, Telescopic Glasses)

A small telescope mounted in or attached to eyeglasses that provides magnification for viewing distant or intermediate-distance objects. Telescopic magnifiers are used by people with low vision for tasks like reading sheet music, watching performances, or reading signs. While…

Teletext(also: Ceefax, Oracle)

A text-based information service broadcast within the television signal that allowed viewers to access pages of text and simple graphics using their TV remote control. Originating in the UK with the BBC's Ceefax service in 1974, teletext provided news, weather, sports results,…

Tempo(also: BPM, Beats Per Minute)

The speed or pace of a musical piece, typically measured in beats per minute (BPM). Tempo is one of the primary features that shapes emotional perception of music — fast tempos (130+ BPM) are associated with excitement and urgency, slow tempos (60–80 BPM) with calm or solemnity.…

Temporal Agency

The degree of control a viewer has over the timing and pace of media content consumption. In accessibility contexts, temporal agency refers to the ability to slow down, pause, rewind, or otherwise adjust the temporal flow of audiovisual content to accommodate individual…

Temporal Factors in Accessibility(also: Time-Based Accessibility, Fluctuating Access Needs)

The recognition that accessibility needs are not static but vary over time due to factors such as daily form (good days versus bad days), fatigue accumulating during use, medication schedules, pain cycles, and progressive conditions. In VR contexts, temporal factors mean that a…

Temporal encoding

The representation of information through change over time within a spatial substrate. In the visual design space, temporal encoding corresponds to animation — a point or shape moving, appearing, or changing on screen. In the sonic design space, temporal encoding is the primary…

Temporary Disability(also: Short-Term Disability, Transient Disability)

A disability or impairment that is expected to be temporary in duration, resulting from illness, injury, surgery, or other medical conditions. Temporary disabilities create access needs that may be identical to those of permanent disabilities but are complicated by uncertain…

Tension-Informed Design(also: Designing with Tensions)

A design framework that identifies and centres the tensions—competing demands, trade-offs, and misalignments—that arise when introducing new technology into established professional practices. Rather than treating adoption barriers as obstacles to eliminate, tension-informed…

Terminal Buffer(also: Accessible Terminal Buffer, Terminal Output Buffer)

A text-based area in a terminal or command-line interface that stores and displays the output of executed commands. In accessibility contexts, an accessible terminal buffer allows screen reader users to navigate terminal output line by line and character by character using…

Testability(also: Reliably Human Testable, Machine Testable)

In the context of accessibility standards, testability refers to the degree to which a guideline or success criterion can be evaluated with consistent, reproducible results — either through automated tools (machine testable) or through human inspection where at least 80% of…

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 research, testimonial injustice occurs when researchers treat older adults' or…

Tetraparesis(also: 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 tetraplegia (complete paralysis of all four limbs) and has significant implications for…

Tetraplegia(also: 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 of impairment varies depending on the level and completeness of the injury,…

Text Alignment(also: 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 is used to synchronize parallel transcription streams — such as…

Text Alternative(also: 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, including people who are blind or have low vision and rely on screen readers.…

Text Alternatives(also: 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 alternatives can be presented as alt text on an image, an aria-label on a…

Text Complexity(also: 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 background-knowledge assumptions. In Automatic Text Simplification and…

Text Correction(also: 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 on mobile devices is significantly more challenging than text entry, as it…

Text Customization(also: 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, and background color. Text customization is frequently recommended as an…

Text Entry(also: 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 as on-screen keyboards, word prediction, scanning, switch-based input, eye…

Text Entry Rate(also: Typing Speed, Characters Per Minute, CPM)

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 including spaces. For standard QWERTY keyboards, professional typists achieve…

Text Generation Rate(also: 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 because it captures the overall efficiency of a text entry system, accounting for…

Text Gloss(also: 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 purposes: it provides a written description to help communication partners…

Text Justification(also: 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 has even margins on both sides but variable word spacing. Some…

Text Messaging(also: SMS, Short Message Service, Texting)

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 Service) standards, or modern over-the-top messaging apps. Text messaging has been a…

Text Modification(also: 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 height, background color, text alignment, and column width. Research with people…

Text Reflow(also: 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 users with low vision who magnify content, as well as for mobile users on…

Text Scaling Assistive Service(also: 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 larger text to read content comfortably. Apps that fail to support TSAS properly…

Text Simplification(also: 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 simplification supports cognitive accessibility for people with intellectual…

Text Simplification(also: 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 following plain language guidelines, or automatically using natural language…