Ключевые слова: abc, baggage, brain, button, communication, concept, contour, earphones, education, english, exam, form, globe, graduation, hat, headphones, human, icon, isolated, language, learning, letter, library, line, linear, literature, location, luggage, map, message, nature, online, outline, paper, phone, pin, planet, school, science, set, sound, symbol, text, translate, translation, travel, university, video, world,