Introducing ODRL policies

Dear all,

In the Draft Open Digital Rights Language (ODRL) Ontology, there is an 
example of the utmost importance, which I copy here for your convenience 
(boldface and red is mine).

|@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
@prefix dct: <http://purl.org/dc/terms/> .

<http://example.com/asset:9898>_*dct:license*_  <http://example.com/policy:0099> .

<http://example.com/policy:0099>
	a odrl:Set;
	odrl:permission odrl:reproduce ;
	odrl:prohibition odrl:modify .
|

I wonder myself about the following issues:
1. Why are we choosing dct:license? Shouldn't we have had a property 
called: "/odrl:policy/"?
2. Why not others? (dct:accessRights etc.)?

Any thought about this?

Regards,
Víctor