what do we call this PO?

what do we call this PO?when we create the Service PO,it would be:Item Category = D and Service Master is entered in the Service tab at item level.when we create the Limit PO,it would be:Item Category = D and enter the value in the Limits tab at item level.What do we call if we create the PO where Service Master is entered in the Service tab and value is entered in the Limits tab at item level?Service Limit PO?