Here are the possible solutions for checkout lines briefly clue
Answer
Clue
Relevancy
upc
Clue
Checkout lines, briefly
Checkout lines?
Supermarket checkout lines?
Short lines at the checkout counter?
Short lines at checkout?
barcodes
Clue
Checkout lines?
Definition
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.