Ключевые слова: accounting, background, basket, business, buy, cart, client, commerce, commercial, communication, concept, connection, consumer, currency, customer, data, delivery, direct, discount, earning, ecommerce, economy, finance, financial, grocery, income, increase, internet, laptop, logistic, management, marketing, money, network, online, order, pay, payment, purchase, retail, sale, sell, service, shop, store, tax, taxation, technology, work,