Description: defines a way to encapsulate a name in any registered name space, and label it with the the name space, producing a member of the universal product set known as URI of a product; Name: Product URI
Description: Unique global identification of the product using an universal resource identifier (URI); Name: URI of the product
Description: reference to a manufacturer document in which parts or features are described in detail and/or graphically depicted; Name: drawing number of manufacturer