= Term: RoleType =

The source or destination of a RelationshipType.

[wiki:RoleType RoleTypes] are defined in the [wiki:Model] as part of the definition of a RelationshipType. They cannot be defined independently. RelationshipType inheritance is defined indirectly through RoleType inheritance; that way, source and destination roles can be redefined in the subtype of a RelationshipType.

See also:
 * [wiki:Relationship]
 * RelationshipType
 * [wiki:Role]