(Elucidation) spatially projects onto is a relation between some spatiotemporal region b and spatial region c such that at some time t, c is the spatial extent of b at t
Users that require more sophisticated representations of time are encouraged to import a temporal extension of BFO-Core provided by the BFO development team. See documentation for guidance: <https://github.com/BFO-ontology/BFO-2020/tree/master/src/owl/profiles/temporal%20extensions>