Ключевые слова: background, bar, barcode, black, business, buy, buying, code, coding, concept, datum, icon, identification, information, item, label, line, mark, market, number, package, packaging, price, product, reader, realistic, retail, sale, scan, scanner, scanning, sell, shop, sign, sticker, store, supermarket, symbol, system, tag, technology, template, transportation, unique, white,