Glossary

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Data Physicalization(also: Physical Data Visualization)

The practice of representing data through physical, tangible objects rather than on-screen visualizations. Data physicalizations encode information in the shape, texture, size, weight, or other physical properties of objects, making data accessible through touch and spatial…

Deaf Tech(also: Deaf-Centered Technology)

A framework and design orientation for technologies created by, with, and centering Deaf communities. Deaf Tech emphasizes participatory design, cultural relevance, and alignment with Deaf epistemologies and practices, rather than positioning Deaf users as end-consumers of…

Deficit-Based Approach(also: Deficit Model, Deficit Framing, Deficit Perspective)

An approach that focuses primarily on what individuals cannot do, what skills they lack, or what is "wrong" with them, rather than their strengths, abilities, and potential. In disability and accessibility contexts, deficit-based approaches frame disabled people through their…

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 emphasise that merely providing connectivity or devices is insufficient when…

Digital Sheet Music(also: Electronic Sheet Music)

Musical scores displayed on electronic devices such as tablets, computers, or head-mounted displays rather than printed on paper. Digital sheet music offers accessibility advantages over print including the ability to magnify, adjust colors and contrast, invert colors for better…

Digital Well-Being(also: Digital wellbeing, Digital wellness)

A field of research, design, and consumer technology focused on supporting healthy, intentional relationships between people and their devices. Digital well-being spans screen-time tracking, attention management, notification control, distraction blockers, intentional-use…

Do-It-Yourself(also: DIY, DIY Task)

Tasks that an end user performs without professional help - commonly the assembly, setup, learning-to-operate, and troubleshooting of consumer products such as flat-pack furniture, kitchen appliances, alarm clocks, or smart-home devices. DIY tasks demand strict step ordering,…

Dynamic Accessibility Analysis(also: Runtime Accessibility Testing, Dynamic A11y Analysis)

An approach to detecting accessibility issues by testing an application while it is running on a device or emulator, examining the actual rendered user interface rather than just the source code. Tools like Google's Accessibility Scanner perform dynamic analysis by evaluating…

Dynamic Caption Tracking(also: Word-by-Word Highlighting, Synchronized Caption Highlighting)

A caption display feature that highlights or visually emphasizes the word currently being spoken in the caption text, synchronized with the audio. Dynamic caption tracking helps viewers maintain their reading position within captions and re-engage after momentary attention…

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