Elucidation: An occurrent entity at or in which occurrent e ntities can be located. Just as the continuant representation of entities views space as a container within which objects and their qualities exist, so too the occurrent representation of processes views the combination of space and time together as such a container, within which processes unfold. A spatiotemporal region is an occurrent entity that is part of spacetime. example of usage: the spatiotemporal region occupied by the development of a cancer tumor; the spatiotemporal region occupied by a human life. Source: Robert Arp, Barry Smith, and Andrew D. Spear: Building Ontologies with Basic Formal Ontology. The MIT Press Cambridge, Massachusetts London, England. ©2015 Massachusetts Institute of Technology. ISBN 978-0-262-52781-1, Glossary. https://www.ebi.ac.uk/ols4/ontologies/bfo/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FBFO_0000011