Ключевые слова: background, bar, barcode, beam, black, business, buy, code, coding, commerce, concept, conceptual, data, design, digital, discount, element, identification, identity, illustration, information, isolated, label, laser, light, line, market, merchandise, number, paper, price, product, promotion, purchase, reader, retail, sale, scanning, sell, selling, service, shop, shopping, sign, sticker, symbol, tag, technology, white,