CPACC study materials
CPACC study resources

CPACC key terms

CPACC · Get comfortable with the vocabulary.

Impairment

A biological, physiological, or anatomical condition affecting a person's body or mind, such as vision loss or a chronic illness. It describes the underlying condition itself, separate from how society responds to it.

Related: Disability, Social Model of Disability
Disability

The outcome that occurs when a person's impairment interacts with environmental, attitudinal, or systemic barriers that restrict participation. It is shaped by context, not solely by a medical condition, and varies across people and settings.

Related: Impairment, Social Model of Disability, Ableism
Medical Model of Disability

A framework that locates disability within the individual as a defect to be diagnosed, treated, or cured. It emphasizes clinical intervention and often treats the person as the problem rather than the environment.

Related: Social Model of Disability, Biopsychosocial Model
Social Model of Disability

A framework holding that people are disabled primarily by societal barriers such as inaccessible design, prejudice, and exclusionary policies, not by their impairments. It shifts responsibility for change from the individual to society.

Related: Medical Model of Disability, Ableism, Universal Design
Biopsychosocial Model

An integrated framework that considers biological, psychological, and social factors together when understanding health and disability. It underlies the World Health Organization's International Classification of Functioning, Disability and Health.

Related: Medical Model of Disability, Social Model of Disability, ICF
ICF (International Classification of Functioning, Disability and Health)

The World Health Organization's framework for describing health and functioning across body functions, activities, participation, environmental factors, and personal factors. It classifies functioning rather than disease and is widely used in disability research and policy.

Related: Biopsychosocial Model, Disability
Ableism

Attitudes, assumptions, and practices that treat non-disabled people as the norm and devalue people with disabilities. It appears in language, hiring practices, product design, and everyday expectations about how bodies and minds should work.

Related: Social Model of Disability, Inspiration Porn, Microaggression
Inspiration Porn

Media that portrays people with disabilities as heroic simply for living ordinary lives, framing them as objects of pity or admiration. Disability advocates criticize it because it centers non-disabled feelings and obscures real barriers.

Related: Ableism, Nothing About Us Without Us
Nothing About Us Without Us

A disability rights principle asserting that people with disabilities must be directly involved in decisions, policies, and designs that affect them. It underpins participatory approaches and the disability community's demand for self-determination.

Related: Disability Community, Co-design
Disability Community

The diverse collective of people with disabilities, including those with physical, sensory, cognitive, and mental health conditions, along with their advocates and organizations. It is not monolithic and includes distinct cultural and political identities.

Related: Nothing About Us Without Us, Deaf Culture
Deaf Culture

A distinct cultural and linguistic community built around sign languages, shared norms, and a positive identity as Deaf people. Members often distinguish being Deaf, a cultural identity, from having a hearing loss as a medical condition.

Related: Disability Community, Sign Language Interpretation
Microaggression

A brief, everyday comment or behavior that communicates a hostile or dismissive message toward a marginalized group, often unintentionally. Repeated microaggressions accumulate into real harm and contribute to exclusion in workplaces and services.

Related: Ableism, Implicit Bias
Universal Design

The design of products, environments, and services to be usable by all people, to the greatest extent possible, without the need for adaptation or specialized design. It was articulated by architect Ron Mace and applied first to the built environment.

Related: Universal Design for Learning, Inclusive Design, Seven Principles of Universal Design
Seven Principles of Universal Design

A set of design guidelines covering equitable use, flexibility in use, simple and intuitive use, perceptible information, tolerance for error, low physical effort, and size and space for approach and use. They guide designers in reducing barriers for diverse users.

Related: Universal Design, Inclusive Design
Universal Design for Learning (UDL)

An educational framework that provides multiple means of engagement, representation, and action and expression so diverse learners can access content and demonstrate knowledge. It applies universal design thinking to curriculum and instruction.

Related: Universal Design, Inclusive Design
Inclusive Design

A design approach that deliberately considers the full range of human diversity, including ability, age, culture, and context, from the start of a project. It often emphasizes designing with affected users rather than for them.

Related: Universal Design, Co-design, Nothing About Us Without Us
Co-design

A collaborative process in which end users, including people with disabilities, work as partners with designers and developers to shape products and services. It improves relevance and usability and supports the principle of nothing about us without us.

Related: Inclusive Design, Nothing About Us Without Us
Web Content Accessibility Guidelines (WCAG)

The World Wide Web Consortium's standards for making web content accessible, organized around the principles of perceivable, operable, understandable, and robust. They define success criteria at levels A, AA, and AAA.

Related: POUR Principles, Conformance Level
POUR Principles

The four foundational principles of WCAG: content must be perceivable, operable, understandable, and robust. Each principle contains guidelines and testable success criteria that guide accessible web development.

Related: Web Content Accessibility Guidelines (WCAG), Conformance Level
Conformance Level

The degree to which content satisfies WCAG success criteria, expressed as Level A, AA, or AAA. Level AA is the most commonly required target in laws and organizational accessibility policies.

Related: Web Content Accessibility Guidelines (WCAG), EN 301 549
EN 301 549

The European accessibility standard for information and communication technology, harmonized under the European Accessibility Act. It incorporates WCAG for web content and adds requirements for hardware, software, and support services.

Related: Web Content Accessibility Guidelines (WCAG), European Accessibility Act
Section 508

A United States federal law requiring federal agencies to make electronic and information technology accessible, including for employees and members of the public. It incorporates WCAG 2.0 Level AA by reference for web content.

Related: Americans with Disabilities Act (ADA), Web Content Accessibility Guidelines (WCAG)
Americans with Disabilities Act (ADA)

A United States civil rights law prohibiting discrimination against people with disabilities in employment, public services, public accommodations, and telecommunications. Title III is frequently applied to commercial websites in litigation.

Related: Section 508, Reasonable Accommodation
European Accessibility Act (EAA)

A European Union directive requiring many products and services, such as e-commerce, banking, transport, and e-books, to be accessible to people with disabilities. Member states implement it through national law, with compliance dates in the mid-2020s.

Related: EN 301 549, Conformance Level
Reasonable Accommodation

A modification or adjustment to a job, service, or environment that enables a qualified person with a disability to participate, without imposing undue hardship on the provider. Examples include flexible schedules, modified equipment, or alternate formats.

Related: Americans with Disabilities Act (ADA), Undue Hardship
Undue Hardship

A legal standard describing a significant difficulty or expense that may make an otherwise required accommodation unreasonable. It is assessed case by case, considering factors such as cost, resources, and the nature of the organization.

Related: Reasonable Accommodation
Assistive Technology

Any device, software, or system that increases, maintains, or improves the functional capabilities of a person with a disability. Examples range from screen readers and switch controls to wheelchairs and hearing loops.

Related: Screen Reader, Adaptive Strategy, Alternative Input Device
Screen Reader

Software that converts on-screen text and interface elements into synthesized speech or braille output. It relies on properly structured content, such as headings and labels, to convey meaning and navigation.

Related: Assistive Technology, Accessible Name, Refreshable Braille Display
Refreshable Braille Display

A device with raised pins that dynamically represent text in braille, allowing a person who is deafblind or blind to read output from a computer or mobile device. It often pairs with a screen reader or braille notetaker.

Related: Screen Reader, Assistive Technology
Alternative Input Device

Hardware that lets a person operate a computer without a standard mouse or keyboard, such as a switch, head pointer, eye tracker, or sip-and-puff device. These support users with limited mobility or dexterity.

Related: Assistive Technology, Switch Access
Switch Access

An interaction method in which a user activates one or more switches, often with a body part, to scan and select items on a screen. It is used by people with significant motor impairments who cannot use a standard keyboard.

Related: Alternative Input Device, Assistive Technology
Captioning

Text that displays spoken dialogue and relevant sounds in synchronized time with audio or video. Captions benefit people who are deaf or hard of hearing and also support language learners and noisy environments.

Related: Audio Description, Assistive Technology
Audio Description

Narration that describes important visual elements of video or live performance during pauses in dialogue. It makes visual content accessible to people who are blind or have low vision.

Related: Captioning, Assistive Technology
Adaptive Strategy

A technique or workaround a person uses to accomplish tasks in environments not designed for their needs, such as using keyboard shortcuts or arranging a workspace. It complements formal assistive technology.

Related: Assistive Technology, Universal Design
Accessible Name

The programmatically determined label that identifies a user interface element to assistive technology, such as a button or link. A clear accessible name is essential for screen reader users to understand controls.

Related: Screen Reader, Semantic HTML
Semantic HTML

Markup that uses elements for their intended meaning, such as headings, lists, and buttons, so browsers and assistive technology can interpret structure. It provides accessibility benefits without extra scripting.

Related: Accessible Name, Screen Reader
Accessibility Maturity Model

A framework describing stages of organizational accessibility capability, from ad hoc efforts to fully embedded and continuously improved practice. It helps leaders assess current state and plan progressive improvements.

Related: Accessibility Program, Accessibility Roadmap
Accessibility Program

A coordinated organizational effort with governance, standards, roles, training, and metrics to deliver accessible products and services. It typically spans design, development, content, procurement, and customer support.

Related: Accessibility Maturity Model, Accessibility Roadmap, Accessibility Statement
Accessibility Roadmap

A prioritized plan that sequences accessibility improvements over time, including milestones, owners, and dependencies. It connects strategic goals with concrete remediation and prevention work.

Related: Accessibility Program, Accessibility Maturity Model
Accessibility Statement

A public document describing an organization's accessibility commitments, conformance status, known limitations, and a way to report problems. It sets expectations and provides a feedback channel for users.

Related: Accessibility Program, Accessibility Conformance Report (ACR)
Accessibility Conformance Report (ACR)

A document, often based on the Voluntary Product Accessibility Template, that records how a product meets specific accessibility criteria. Vendors use it to communicate conformance to buyers and procurement teams.

Related: Accessibility Statement, Procurement