~/resources/glossarysection live
$ qa define --term any

// Glossary

The vocabulary of quality.

309 testing terms in plain English, written for practitioners mid-task. Pick a category to dive in, or search any term.

>Search 309 terms…⌘K
309
Terms
18
Categories
A–Z
Indexed

// All categories

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18 categories. Each opens its own page with that category's terms, in-category A–Z, and scoped search.

WCAG, ARIA and assistive-tech testing concepts.

AccessibilityAccessibility AuditAccessibility TestingAccessible Name

Testing LLM-powered systems — evals, grounding, prompt safety and non-deterministic behaviour.

Agent observabilityAgentic testingAgentic WorkflowAI Testing

API Security

11 terms

OWASP API Top 10 permission and auth-flow terms.

Access TokenAuthorizationBOLA (Broken Object Level Authorization)JWT

API Testing

29 terms

Request/response, contract and integration testing terms.

API MockingAuthenticationContract TestingCORS

Automation

24 terms

End-to-end, unit, framework and CI execution concepts.

Architecture Decision Record (ADR)AssertionAuto-waitingCondition Coverage

CI/CD

14 terms

Pipeline, deployment and release-gating terms.

ArtifactBlue-Green DeploymentBuildCanary Deployment

General

30 terms

Cross-cutting QA fundamentals that don't belong to one tool.

Code CoverageDaylight Saving Time (DST)Defect DensityDefect Leakage

Environment and tooling infrastructure terms.

ContainerDocker

Exploratory, scripted and session-based human testing.

Ad-hoc TestingAlpha TestingBeta TestingBoundary Value Analysis

Methodology

15 terms

BDD, TDD and the test-design techniques behind them.

ATDD (Acceptance Test-Driven Development)BDD (Behaviour-Driven Development)Chaos EngineeringModel-Based Testing

Testing native, hybrid and mobile-web apps across devices — platforms, gestures, permissions and offline behaviour.

Android TestingANR (Application Not Responding)AppiumBiometric Authentication

Performance

23 terms

Load, stress and latency under real-world traffic.

Apache JMeterBaseline TestingCachingCapacity Planning

Delivery, metrics and prioritisation terms QA touches.

AARRR metrics (Pirate metrics)Acceptance criteriaCohort analysisJobs to be Done (JTBD)

Security

23 terms

App and data security concepts QA engineers verify.

Access ControlAudit LogCookieCSRF (Cross-Site Request Forgery)

Test Data

8 terms

Creating, managing and protecting the data tests run against — fixtures, seeds, synthetic data and masking.

CSV (Comma-Separated Values)Data MaskingData-Driven TestingSeed Data

Testing

4 terms

Broad testing terms pending recategorisation.

ImpactProbability (in risk-based testing)RiskTraceability

Git workflow terms for automation repositories.

BranchCherry-pickCommitGit Tag

Selectors, waits and the browser-control surface.

ActionabilityAutocompleteBrowser ContextData Visualization