Reference to a THING. Type for a reference to a THING. Identifier of referenced THING Name of Class of the referenced entity. Allows reflection. Fixed for each entity type. Nature of last modification: new, revise, delete, unchanged. Identifier of version of referenced entity. For use when reference is External and a specific version is required. Mutually exclusive with version Location of the external entity. +v2.0 Type for an identifier of Thing Type for an identifier of a CHild Thing Type for a list of relalted SOMETHING ELSES Type for an identifier of a SOMETHING ELSE. Reference to a SOMETHING ELSE. Type for a reference to a SOMETHING ELSE. Identifier of referenced SOMETHING ELSE. Name of Class of the referenced entity. Allows reflection. Fixed for each entity type. Nature of last modification: new, revise, delete, unchanged. Identifier of version of referenced entity. For use when reference is External and a specific version is required. Mutually exclusive with version Location of the external entity. +v2.0 Type for a list of TYPE OF THINGs. Refernce to a TYPE OF THING. Type for identifier of a TYPE OF THING. Reference to a TYPE OF THING Type for a reference to a TYPE OF THING Identifier of referenced SOMETHING ELSE. Name of Class of the referenced entity. Allows reflection. Fixed for each entity type. Nature of last modification: new, revise, delete, unchanged. Identifier of version of referenced entity. For use when reference is External and a specific version is required. Mutually exclusive with version Location of the external entity. +v2.0 Modes of transport applicable to private and non-timetabled transport.