olemus
UML:
element mingi emaoleku hiliseima aktiivse alamoleku esindamiseks
= an element used to represent the most recent active substate of its parent state

ülevaateid_
https://sparxsystems.com/enterprise_architect_user_guide/16.0/guide_books/sysml-psuedostates.html

https://sparxsystems.com/enterprise_architect_user_guide/16.1/model_simulation/example__history_pseudostate_example.html