The purpose of the GetBillFromPartyMaster is to facilitate keeping party information synchronized that exists on separate data bases. The ShowBillFromPartyMaster is the response to this request providing the specific information requested. Is where the information that the BOD message carries is provided, in this case GetBillFromPartyMaster. The information consists of a Verb and one or more Nouns. The verb (Get) indicates the action to be performed on the Noun (BillFromPartyMaster).