Ключевые слова: abstract, background, banner, book, business, character, computer, concept, course, creative, design, designer, digital, ebook, educate, education, elearning, elements, flat, graphic, icon, idea, illustration, information, interface, internet, knowledge, learn, learning, library, marketing, network, online, pen, people, poster, read, remote, school, student, study, studying, symbol, technology, textbook, training, university, web, workplace, yellow,