Ключевые слова: background, bank, banking, black, business, buy, cashless, cellular, communication, design, device, digital, ecommerce, economy, electronic, exchange, finance, financial, graphic, icon, illustration, industry, internet, isolated, mobile, money, online, outline, pay, payment, phone, pictogram, purchase, retail, service, shop, sign, signal, smart, smartphone, store, symbol, technology, telephone, touch, trade, transaction, transfer, wireless,