Related Clues:

• Checkers' bars
• Lines at a checkout counter?: Abbr.
• Market IDs
• Mdse. identifier
• Bars at the grocery store: Abbr.
• Bar code: Abbr.
• Inventory-tracking device
• It may be scanned at checkout
• Lines on mdse.
• Scanned lines, for short
• Supermarket ID
• Code on grocery boxes
• For checkers, it's black and white
• Register scan
• Supermarket lines, for short