Digital Accessibility Glossary

A plain-language reference for business leaders, developers, and teams working toward digital accessibility and ADA compliance.

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A

ARIA Properties

Accessibility API

Accessibility Audit

Accessibility Conformance Report

Accessibility Defect

Accessibility Governance

Accessibility Persona

Accessibility Statement

Accessibility Supported

Accessibility Tree

Accessible Authentication

Accessible Description

Accessible EPUB

Accessible Name

Accessible Procurement

Accessible Word Document

Advanced Perceptual Contrast Algorithm

Advisory Techniques

Alternative Description

Alternative Keyboard

Alternative Text

Assistive Technology

Assistive Technology Testing

Audio Description

Augmentative and Alternative Communication (AAC)

Augmentative and Alternative Communication (AAC)

Authoring Tool Accessibility Guidelines

Autism Spectrum Disorder (ASD, Autism)

Auto-Captioning Software

Automated Testing

aria-describedby

aria-labelledby

B

Braille Translation

D

DOJ Final Rule (2024)

Deaf and Hard of Hearing

Department of Justice

Descriptive Link Text

Document Structure Roles

Does Not Support

Dragging Movements

Dyslexia/dyslexic

E

Effective Communication

Electronic and Information Technology

Epilepsy, Epileptic

Error Identification

Error Prevention

Error Suggestion

Essential Job Functions

European Accessibility Act

European Telecommunications Standards Institute

Eyes-free control

F

First Rule of ARIA Use

Flash threshold

Flexibility in Use

Focus Appearance

Focus Management

Full Conformance

Functional Testing

Fundamental Alteration

G

Genetic Condition

Gesture Interaction

H

Handicap, Handicapped

Hard of Hearing (HoH)

Heading Structure

Heading hierarchy

High Contrast Mode

I

Inclusive Design

Individualized Education Program (IEP)

Info and Relationships

Information and Communication Technology

Input Modalities

International Association of Accessibility Professionals

J

K

Keyboard Accessible

Keyboard Navigation

Keyboard-Only Testing

L

Landmark (role)

Level A (compliance)

Level AA (compliance)

Level AAA (compliance)

Logical Structure

Long description

Luminance Contrast Ratio

M

Manual (accessibility) testing

Meaningful Sequence

Meaningful markup

Mobile Accessibility

Mobile Screen Reader

Motion Actuation

Motion/Eye-Tracking Devices

N

NVDA (NonVisual Desktop Access)

Name, Role, Value

Native App Accessibility

No Keyboard Trap

Non-text Contrast

Nondiscrimination on the Basis of Disability

Notice of Proposed Rulemaking

O

Obsessive Compulsive Disorder (OCD)

Overlays (Accessibility)

P

PEAT (Photosensitive Epilepsy Analysis Tool)

POUR ( perceivable, operable, understandable, robust)

POUR Principles

Paraplegia, Paraplegic

Partial Conformance

Partially Supports

Persistent Postural Perceptual Dizziness (PPPD)

Person-First Language

Places of Public Accommodation

Platform Accessibility Guidelines

Pointer Cancellation

Pointer Gestures

Q

Quadriplegia, Quadriplegic

R

Reasonable Accommodation

Redundant Entry

Reflowable Content

Refreshable Braille Display

Refreshable Braille displays

Rehabilitation Act of 1973

Responsive Design

Revised Section 508 Standards

U

U.S. Access Board

Universal Design

Universal Design for Learning

Usability Testing with Users with Disabilities

User Agent Accessibility Guidelines

User-Centered Design

V

Voice Recognition Software

VoiceOver Rotor

Voluntary Product Accessibility Template

W

WCAG Evaluation Methodology

Web Accessibility Directive

Web Accessibility Initiative

Web Accessibility Specialist

Web Content Accessibility Guidelines

Web accessibility

World Wide Web Consortium

X

X-Linked Intellectual Disability

Y

Z

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