Definition of "barcode" []

• Any set of machine-readable parallel bars or concentric circles, varying in width, spacing, or height, encoding information according to a symbology. (noun)

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• "Its all in the software that the barcode is generated to. even scratched and old phones work superwell."
• "Airport staff will scan the barcode from the phones."
• "Using this barcode, dba customers can go directly to the departure gate, where the barcode is read by a scanner."