Ключевые слова: accessibility, activity, business, button, close, commercial, communication, computer, concept, connection, contact, corporate, correspondence, data, desktop, digital, email, envelope, friendship, green, icon, information, internet, key, keyboard, letter, mail, mailbox, message, motion, new, occupation, online, password, pc, post, safety, security, send, sender, sending, service, symbol, system, technology, touching, up, work,