Glossary
KVKK, Cookie and Accessibility Glossary
Clear definitions of the terms you meet in compliance work: regulatory context, practical meaning and what to do. New terms are added regularly.
40 terms
KVKK and Cookies
Explicit Consent
Explicit consent is an approval that is freely given, specific and based on prior information, as defined in Article 3 of Turkey's...
Read definition →Privacy Notice
A privacy notice is the information document that a data controller must provide to individuals whose personal data is processed,...
Read definition →Cookie Policy
A cookie policy is the information document that explains the cookies and similar technologies used on a website. It describes whi...
Read definition →Strictly Necessary Cookie
A strictly necessary cookie is a cookie that is technically required for a website's core functions to work. It enables features s...
Read definition →Analytics Cookie
An analytics cookie is a cookie used to measure visitor behaviour on a website. It enables the collection of statistics such as pa...
Read definition →Marketing Cookie
A marketing cookie is a cookie used to show visitors ads based on their interests and to measure advertising performance. It enabl...
Read definition →Third-Party Cookie
A third-party cookie is a cookie set not by the website being visited but by another domain serving that site, such as an ad netwo...
Read definition →Cookie Wall
A cookie wall is a practice that makes access to a website conditional on accepting cookies. Visitors cannot reach the content wit...
Read definition →VERBIS (Data Controllers' Registry)
VERBIS is the acronym of Turkey's Data Controllers' Registry Information System: a public register maintained by the Turkish Perso...
Read definition →Data Controller
A data controller is the natural or legal person who determines the purposes and means of processing personal data and manages the...
Read definition →Google Consent Mode
Google Consent Mode is an API that communicates the user's cookie consent choice to Google services (Analytics, Ads) through stand...
Read definition →IAB TCF
The IAB TCF (Transparency and Consent Framework) is a framework developed by IAB Europe that standardizes how user consent is coll...
Read definition →Data Processor
A data processor is a natural or legal person who processes personal data on behalf of a data controller, based on the authority t...
Read definition →ePrivacy
ePrivacy is the common name of EU Directive 2002/58/EC, which governs privacy in the electronic communications sector. It is the s...
Read definition →Data Subject Access Request (DSAR)
A data subject access request is the request through which an individual exercises the rights listed in Article 11 of the KVKK, su...
Read definition →Consent Log
A consent log is the evidentiary record in which a visitor's decision about cookie or data processing consent is stored together w...
Read definition →Data Breach Notification
A data breach notification is the mandatory notice a data controller gives to the competent authority and affected individuals whe...
Read definition →CMP (Consent Management Platform)
A CMP (Consent Management Platform) is the software layer that collects, records and relays cookie and data processing consent on...
Read definition →GPC (Global Privacy Control)
GPC (Global Privacy Control) is a technical signal that automatically transmits a user's privacy preference at browser level. With...
Read definition →Dark Pattern (Deceptive Design)
A dark pattern (deceptive design) is an interface deliberately constructed to steer users toward a choice against their own intere...
Read definition →Session and Persistent Cookies
A session cookie is automatically deleted when the browser is closed; a persistent cookie remains on the device until the date set...
Read definition →Profiling
Profiling is the automated processing of personal data to evaluate certain aspects of a natural person, such as interests, behavio...
Read definition →Withdrawal of Consent
Withdrawal of consent is a person's right to revoke their explicit consent at any time, without giving a reason. Withdrawal takes...
Read definition →Accessibility
WCAG
WCAG (Web Content Accessibility Guidelines) is the international technical standard for making web content accessible to everyone,...
Read definition →Screen Reader
A screen reader is assistive technology that converts digital content into synthetic speech or braille output. Blind and low-visio...
Read definition →Alt Text
Alt text (alternative text) is a short description that conveys the content and function of an image in words; in HTML it is defin...
Read definition →Contrast Ratio
Contrast ratio is a measure that expresses the brightness difference between text color and background color on a scale from 1:1 t...
Read definition →ARIA
ARIA (Accessible Rich Internet Applications) is a W3C technical specification that conveys role, state and property information to...
Read definition →Accessibility Statement
An accessibility statement is a public document that explains which accessibility standard a website or application targets, its c...
Read definition →EAA (European Accessibility Act)
The EAA (European Accessibility Act) is EU Directive 2019/882, which sets accessibility requirements for products and services. It...
Read definition →Keyboard Navigation
Keyboard navigation is the ability to browse and operate a website using only the keyboard (Tab, Enter, arrow keys) without a mous...
Read definition →Landmark
A landmark is an ARIA role that identifies the main regions of a web page, such as the header, navigation, main content and footer...
Read definition →Focus Indicator
A focus indicator is the visual marker that shows a keyboard user which element is currently active; browsers provide it by defaul...
Read definition →Türkiye Circular 2025/10
Circular 2025/10 is the Turkish Presidential circular that requires the websites and mobile applications of public institutions an...
Read definition →VPAT
A VPAT (Voluntary Product Accessibility Template) is the template published by the ITI (Information Technology Industry Council) f...
Read definition →POUR Principles
POUR is the acronym for the four foundational principles of WCAG: Perceivable, Operable, Understandable and Robust. Content must b...
Read definition →Success Criterion
A success criterion is the smallest testable unit of requirement in WCAG. Each criterion is written so that whether a page meets i...
Read definition →axe-core
axe-core is an open-source accessibility testing engine developed by Deque Systems. It analyzes a web page's DOM and reports WCAG...
Read definition →Accessibility Tree
The accessibility tree is the parallel data structure that the browser derives from the DOM and that assistive technologies read....
Read definition →Large Text
Large text is the class of text to which WCAG's contrast rules apply a lower threshold: normal-weight text of roughly 24 pixels (1...
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