http://purl.obolibrary.org/obo/BFO_0000011
(Elucidation) A spatiotemporal region is an occurrent that is an occurrent part of spacetime
The spatiotemporal region occupied by the development of a cancer tumour; the spatiotemporal region occupied by an orbiting satellite
095-BFO
'Spacetime' here refers to the maximal instance of the universal spatiotemporal region.