Glossary

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Value Sensitive Design(also: VSD)

A design methodology that accounts for human values in a principled and systematic way throughout the technology design process. Value Sensitive Design integrates three types of investigation: conceptual (identifying stakeholders and their values), empirical (studying how people…

Variable Ability(also: Fluctuating Ability, Dynamic Disability)

The characteristic of many chronic illnesses and disabilities where a person's functional abilities change significantly over time — across days, hours, or even minutes. Variable ability includes both baseline fluctuations (such as flares triggered by environmental factors or…

Visual Affordance(also: Visual Affordances)

A visually conveyed cue that signals how an object can be used or what it represents - for example, a handle suggesting 'grasp', a button suggesting 'press', or color and labeling suggesting product identity. Many visual affordances are inaccessible through touch alone: blind…

Vocational Training(also: Vocational Education, Job Training, Occupational Training)

Vocational training is education focused on developing practical skills and knowledge required for specific occupations or trades. In accessibility contexts, vocational training for people with disabilities is a critical pathway to economic independence and social inclusion, yet…

Volunteer-Driven Accessibility(also: Community-Driven Accessibility)

Accessibility solutions that depend on the unpaid labor of volunteers rather than being built into platforms or services by design. Examples include volunteer-created accessible e-newspapers for blind readers, crowd-sourced image descriptions, and human-powered visual assistance…

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