Crossword puzzle clue "labels"

to make suitable

ADD, to compute the sum of

AKA, (Maori) a New Zealand vine

a kind of beer, made without using hops as a flavouring, also YILL

BARCODE, an arrangement, readable by computer, of thick and thin parallel lines, e.g. printed on, and giving coded details of, goods at a point of sale, library books, etc.