Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content Source Unified Modeling Language 2.5.1 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes UML keywords Region StateMachine composite State Vertex Transition Previous snippet Full quote A Region is a top-level part of a StateMachine or a composite State, that serves as a container for the Vertices and Transitions of the StateMachine. Next snippet A StateMachine or composite State may contain multiple Regions representing behaviors that may occur in parallel. Related snippets Related snippets (backlinks) Visit also Visit also (backlinks) Flags