http://w3.org/ns/odrl/2#Policy
Class Policy

owl:Class

owl:Thing

Anything that has at least one type that is a Policy type and has exactly one type and has at least one permission that is a Permission and has at least one permission or has at least one prohibition that is a Prohibition and has at least zero prohibitions or has at least one conflict that is a Conflict values or has at least one undefined that is a Undefined values or has at least one inherit allowed that is a boolean or has at least one inherit from that is a Policy or has at least one inherit relation that is an Inherit relation value