Elucidation: It is a A continuant fiat boundary that is a fiat point whose location is defined in relation to some material entity. Zero dimension continuant fiat boundaries are not spatial points. Example of usage: the quadripoint where the boundaries of Colorado, Utah, New Mexico, and Arizona meet; the point of origin of some spatial coordinate system.; the geographic North Pole.  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_0000147