Article 2 supplies the definitions used throughout the Regulation. Core definitions: 'core platform service' (the 10 enumerated CPS categories), 'gatekeeper' (an undertaking providing one or more CPS meeting Article 3 criteria), 'business user', 'end user', 'undertaking' (per competition law), 'group' (parent + subsidiaries), 'ranking', 'data', 'personal data' (per GDPR Article 4), 'online intermediation service' (per (EU) 2019/1150), 'online search engine' (per (EU) 2019/1150), 'social networking service', 'video-sharing platform service' (per AVMSD), 'N-IICS' (per the European Electronic Communications Code), 'operating system', 'virtual assistant', 'web browser', 'cloud computing service' (per NIS2), 'online advertising service'.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.