Ключевые слова: book, bookstore, concept, design, dictionary, digital, electronic, element, emblem, encyclopedia, graphic, headphones, icon, illustration, information, isolated, knowledge, label, learning, library, listen, literature, media, mp3, music, object, open, pictogram, read, reader, record, school, sign, sound, storytelling, study, studying, symbol, technology, template, textbook, training,