Ключевые слова: 3d, app, application, book, business, cellphone, communication, concept, course, cover, dictionary, digital, e learning, education, educational, elearning, english, foreign, french, german, illustration, information, internet, isolated, knowledge, language, learn, learning, library, linguistic, literature, media, mobile, mobile phone, multilingual, online, phone, school, screen, smartphone, spanish, stack, study, studying, technology, translate, translation, translator, travel, white,