Ключевые слова: abstract, background, bar, bar code, barcode, binary, black, business, buy, code, coding, communication, computer, concept, data, design, digital, element, icon, id, identification, identity, illustration, information, label, line, logo, message, mobile, modern, phone, pictogram, product, qr, qr code, qrcode, quick, retail, sale, scan, scanning, sign, simple, small, square, symbol, system, tag, technology,