Ключевые слова: background, blue, business, businessman, button, closeup, coach, cognition, college, communication, computer, concept, connection, cyberspace, data, development, digital, education, elearning, finger, hand, icon, interface, internet, knowledge, learn, lesson, network, online, platform, pressing, professional, program, school, screen, select, seminar, social, study, success, symbol, teacher, teaching, technology, touch, training, university, virtual, white, word,