Ключевые слова: abstract, assistance, background, black, board, business, button, closeup, communication, computer, concept, control, course, digital, distance, education, educational, elearning, electronic, enter, icon, information, internet, key, keyboard, knowledge, laptop, learn, lesson, modern, network, object, office, online, pc, professional, school, service, sign, skill, study, success, symbol, technology, text, training, type, web, word, yellow,