Ключевые слова: background, business, class, closeup, communication, computer, concept, connection, course, development, different, digital, distance, ebook, education, elearning, female, freelancer, graduation, hand, icons, illustrations, information, internet, knowledge, laptop, learn, learning, online, person, school, science, student, study, studying, symbol, table, technology, top, training, tutorial, university, view, web, website, woman, wooden, working,