Browse All Terms
A clear, jargon-free reference for the accessibility terms you'll encounter in audits, compliance reports, and everyday development work.
A11Y
A numeronym for "accessibility" — the 11 letters between A and Y.
Read moreAccessibility Audit
A structured evaluation of digital products to identify accessibility barriers.
Read moreAccessibility Conformance Report
A document detailing how well a digital product meets accessibility standards.
Read moreAccessibility Remediation
Modifying digital content so it meets accessibility standards like WCAG.
Read moreAccessibility Statement
A public declaration that a website is designed to be usable by people with disabilities.
Read moreAccessibility Testing
Evaluating whether digital content is usable by people with disabilities.
Read moreAccessible Design
Making environments, products, and services usable for all people, including those with disabilities.
Read moreAlt Text
A written description of an image included in HTML for screen readers and SEO.
Read moreARIA
A W3C specification that adds attributes to HTML for better assistive technology support.
Read moreAssistive Listening Devices
Technologies that improve audio clarity for people with hearing loss.
Read moreAssistive Technology
Any device, software, or equipment that helps individuals with disabilities perform tasks.
Read moreAudio Accessibility
Designing and delivering audio content to ensure equitable access for all users.
Read moreBlindness
The loss of vision that cannot be fully corrected with standard treatments.
Read moreBraille
A tactile writing system using raised dots for people who are blind or have severe vision impairments.
Read moreClosed Captions
On-screen text descriptions of a video's audio that can be toggled on or off.
Read moreCochlear Implant
A medical device that bypasses damaged parts of the ear to stimulate the auditory nerve.
Read moreCognitive Accessibility
Addressing the needs of people who have difficulty processing information online.
Read moreColor Blindness
A visual condition where a person has difficulty distinguishing certain colors.
Read moreColor Contrast
The visual difference in brightness between foreground content and its background.
Read moreDeaf Culture
The collective identity, language, values, and traditions shared by people who are deaf.
Read moreDeaf vs. deaf
The distinction between Deaf (cultural identity) and deaf (medical condition).
Read moreDeafness
A profound or complete loss of hearing that limits perception of linguistic information through sound.
Read moreDigital Accessibility
Making all digital content and technology usable by people with disabilities.
Read moreDisability
A condition that limits one or more major life activities, requiring accommodation.
Read moreDiversity, Equity, and Inclusion (DEI)
Guiding principles that help organizations create fair, respectful, and legally compliant environments.
Read moreDocument Remediation
Making digital documents accessible to people with disabilities using assistive technologies.
Read moreESG
Environmental, Social, and Governance criteria used to assess a company's sustainability and ethical impact.
Read moreHard of Hearing
Individuals who experience partial hearing loss ranging from mild to severe.
Read moreHearing Aid
A small electronic device that amplifies sound for people with hearing loss.
Read moreHearing Impairment
A reduced or total loss of hearing in one or both ears.
Read moreInclusive Design
A strategy for creating products and services usable by the widest possible audience.
Read moreInclusivity
Creating digital content and interfaces usable by the broadest possible range of people.
Read moreInput Assistance
Strategies that help users avoid, identify, and correct errors when interacting with web forms.
Read moreInput Devices
Hardware tools used to send data and commands to a digital system.
Read moreInvisible Disability
A chronic condition that limits daily activities but isn't immediately apparent to others.
Read moreJAWS
A screen reader that converts digital text and interface elements into speech or braille output.
Read moreKeyboard Navigation
Interacting with digital interfaces using only a keyboard, essential for users who cannot use a mouse.
Read moreLip-Reading
Understanding spoken words by visually interpreting mouth, facial, and tongue movements.
Read moreLow Vision
Visual impairment that cannot be fully corrected, but retains some usable sight.
Read moreMotor Impairment
Physical limitations affecting a person's ability to perform voluntary movements.
Read moreNVDA
A free, open-source screen reader for Microsoft Windows providing spoken and braille output.
Read morePerson With Disability
Someone who has a physical or mental impairment that significantly limits major life activities.
Read morePhotosensitivity
An unusually strong reaction to light exposure that can cause discomfort, headaches, or seizures.
Read morePublic Accommodation
A facility that provides services or goods to the general public, subject to anti-discrimination laws.
Read moreReadability
How easily users can read and understand written content on a website.
Read moreReasonable Accommodation
Changes or adjustments that enable individuals with disabilities to participate equally.
Read moreReasonable Adjustment
A modification that enables a person with a disability to access and perform their job effectively.
Read moreScreen Reader
Assistive software that converts digital content into speech or braille output.
Read moreSign Language
A visual-manual language using hand gestures, facial expressions, and body movements.
Read moreSpeech Recognition
Technology that converts spoken language into digital text for hands-free interaction.
Read moreUsability
How easily users can interact with a system to achieve their goals.
Read moreUser Testing
Observing real users as they interact with a digital tool to identify usability and accessibility barriers.
Read moreVideo Accessibility
Making video content usable for everyone, including people with disabilities.
Read moreVision Impairment
A loss of visual function that cannot be fully corrected, ranging from mild vision loss to near-total blindness.
Read moreVisual Alerting Devices
Devices that use lights, symbols, or text displays to provide alerts where sound may not be effective.
Read moreVoice User Input
Technology that enables devices to interpret and act on spoken commands for hands-free control.
Read moreW3C
The World Wide Web Consortium — the main international standards organization for the web.
Read moreWCAG
The Web Content Accessibility Guidelines — technical standards for making web content accessible to people with disabilities.
Read moreWCAG Conformance Levels
The three tiers (A, AA, AAA) that categorize how fully a site meets WCAG standards.
Read moreWeb Accessibility
The practice of designing websites so that people with disabilities can use them effectively.
Read moreWeb Accessibility Compliance
Meeting legal and technical standards that ensure websites can be used by people with disabilities.
Read moreWeb Accessibility Initiative (WAI)
A W3C program focused on improving digital accessibility through technical standards and guidelines.
Read moreWeb Accessibility Principles
The four core WCAG principles — Perceivable, Operable, Understandable, and Robust (POUR) — for accessible digital content.
Read more