a distinguishing symbol

pronounce judgment on

assign a label to; designate with a label

attach a tag or label to

an adhesive label

a label written or printed on paper, cardboard, or plastic that is attached to something to indicate its owner, nature, price, etc.

a label associated with something for the purpose of identification

(computer science) a horizontal label at the top of a window, bearing the name of the currently active document

An excise stamp is a type of revenue stamp affixed to some exciseable goods to indicate that the required excise tax has been paid by the manufacturer.