This property associates an instance of E95 Spacetime Primitive with the instance of E92 Spacetime Volume it defines.
Examples:
{40°30'23N 21°14'53E, 40°31'40N 21°16'43E, 200BC-2020AD} (E95) defines spacetime volume Martin’s spatiotemporal enclosure 2020 for the evolution of the settlement of today’s city of Kastoria, Greece, since its conquest by the Romans (E92). [A square covering the current built settlement structure of Kastoria, Greece, through the years 200BC to 2020AD, which includes the extents of earlier phases of the city]