Ключевые слова: app, application, browser, business, communication, compose, computer, concept, connection, contact, corporate, correspondence, design, digital, document, electronic, email, envelope, flat, icon, inbox, interface, internet, laptop, letter, llustration, mail, mailbox, mailing, marketing, message, modern, new, newsletter, notification, online, post, receive, research, screen, send, sign, spam, symbol, technology, web, white, workplace,