- xAPI (Experience API): A set of learning technology standards (IEEE 9274.1.1) and specifications for instrumentation of learning used to track and record learning experiences (both formal and informal) across various platforms.
- xAPI Profiles: Specialized definitions used within the xAPI standard to ensure semantic interoperability when recording specific types of learning activities.
- xAPI Statement: The data format used by xAPI to document a learning activity, consisting of an actor, verb, and object (e.g., "John completed Module 2").