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: determined integral of the sound power, p, over a stated time interval of duration t (starting at t1 and ending at t2); Name: sound energy