ADL Discussions on the openEHR ‘AM’ component, i.e. any of the Archetype or Template specifications. ITS Discussions on any of the Implementation Technology Specifications, i.e. derivatives from the abstract specs, including REST APIs, XSD, JSON, and HL7 FHIR interfaces. RM Discussions on the Reference Model (RM) specifications, including EHR model, Demographics, data types. Terminology Discussions on terminology use / interface / bindings in openEHR. BMM/Expressions Discussions on BMM and EL specifications. AQL For discussions on the openEHR Archetype Query Language (AQL) specification. Task Planning/GDL Use this category for discussing the Task Planning and related specifications, as well as the Guideline Definition Language (GDL).