Glossary

Searchable terminology from accessibility, web standards, and related fields.

6660 terms — page 93 of 333

Diegetic Prototype (Diegetic Prop)
A research and design method that uses modified versions of real-world content to demonstrate potential future interventions or technologies within a familiar context. In accessibility research, diege…
Diegetic Sound (In-World Sound, Source Sound)
Sound that originates from a source within the narrative world of a game, film, or virtual reality environment — meaning the characters or inhabitants of that world could theoretically hear it. Exampl…
Diegetic Sound (In-Game Sound, In-World Sound)
Sound that originates from within the world of a game, film, or virtual environment—sounds that characters within that world could theoretically hear. In gaming and VR, diegetic sounds include environ…
Differential Signing Rate (Dynamic Signing Speed, Signing Rate Variation)
The degree to which the speed of individual signs varies throughout a sign language passage, reflecting natural speed-ups and slow-downs driven by linguistic context. In human signing, certain words m…
Differential Vulnerability
The concept that different populations face different types and degrees of risk from the same technology, based on factors such as disability, age, gender, or socioeconomic status. In accessibility an…
Differential privacy (DP)
A mathematical framework for sharing statistical information about a dataset while providing provable guarantees that individual records cannot be identified. In accessibility contexts, differential p…
Differentiated Instruction (Differentiated Teaching, Individualized Instruction)
A teaching approach that tailors instruction, content, process, and assessment to meet the diverse learning needs of individual students within a classroom. Differentiated instruction is particularly …
Diffusion Model (Diffusion-based Generator, Denoising Diffusion Model)
A diffusion model is a class of generative AI that learns to produce images or videos by iteratively denoising a random noise input, reversing a forward process that gradually adds noise to training d…
Digital Accessibility Rights Evaluation (DARE Index, DARE)
An index developed by the Global Initiative for Inclusive Information and Communication Technologies (G3ict) that measures and benchmarks the digital accessibility rights and policies of countries wor…
Digital Art Accessibility (Accessible Digital Art Tools)
The design and availability of digital creative tools—including drawing software, graphic input devices, and editing platforms—that can be effectively used by artists with disabilities. Key accessibil…
Digital Assistive Technology (Digital AT, Software-Based AT)
Assistive technologies delivered through software, applications, and digital platforms rather than dedicated physical devices. Digital AT includes screen readers, speech-to-text tools, magnification s…
Digital Audio Workstation (DAW)
Software used for recording, editing, mixing, and producing audio content, such as Reaper, Logic Pro, Cubase, or Pro Tools. DAWs present significant accessibility challenges for blind and visually imp…
Digital Barrier (Digital Accessibility Barrier, ICT Barrier)
Any aspect of a digital system, tool, or environment that prevents or hinders use by people with disabilities or older users. Digital barriers can include poor colour contrast, missing alternative tex…
Digital Biomarker (Digital Health Marker, Passive Biomarker)
A quantifiable physiological or behavioral measure collected through digital devices (such as smartphones, wearables, or sensors) that can serve as an indicator of health status, disease progression, …
Digital Campus (Virtual Campus, Online Campus)
The entirety of an educational institution's online presence, platforms, tools, and digital resources used to deliver learning experiences. The digital campus encompasses learning management systems, …
Digital Citizenship
Digital citizenship refers to the capacity to participate fully, safely and recognisably in online and digital public life - having roles, routines and voice in the platforms where shared culture and …
Digital Comics Accessibility (Comic Accessibility, Graphic Novel Accessibility)
The practice of making comics, graphic novels, manga, and webtoons accessible to people with disabilities, particularly those with visual impairments. Digital comics present unique accessibility chall…
Digital Compass (Electronic Compass, Magnetometer)
An electronic sensor that detects the Earth's magnetic field to determine the direction a person or device is facing, providing heading information in degrees or cardinal directions. In assistive tech…
Digital Crown (Watch Crown, Rotary Input)
A physical rotary input control on the Apple Watch and some other smartwatches that can be turned to scroll, navigate, or adjust values. The digital crown provides tactile, proportional input that doe…
Digital Disability Divide
The gap between people with and without disabilities in both access to and effective use of information and communication technologies. The term extends the broader concept of the digital divide to em…