Ключевые слова: accumulation, background, book, books, business, closeup, collection, color, colorful, communication, computer, concept, connection, desk, distance, elearning, electronic, equipment, exam, group, heap, home, information, internet, laptop, learn, many, modern, net, nobody, notebook, object, office, online, open, pile, reading, room, set, stack, study, subject, table, technology, virtual, web, wisdom, wooden,