Ключевые слова: abstract, background, banner, blue, book, browsing, business, businessman, button, coach, collaborative, communication, computer, concept, conference, connection, course, design, development, digital, e, education, elearning, head, icon, interface, internet, knowledge, learn, media, modern, network, online, people, platform, program, red, school, screen, social, student, symbol, teacher, teaching, technology, training, university, web, webinar,