Uh, you can treat holes as being defined as entities by their cause and telos, just like any other object/entity. e.g. A hole made by a hole punch (cause), for

Uh, you can treat holes as being defined as entities by their cause and telos, just like any other object/entity. e.g. A hole made by a hole punch (cause), for fitting into a 3-ring binder (telos). Done.