Ключевые слова: abstract, application, cartoon, character, class, classic, coach, concept, course, design, device, digital, distance, education, flat, foreign, global, grammar, green, group, icon, illustration, infographic, isolated, knowledge, language, lesson, level, line, linear, live, metaphor, modern, native, online, outline, platform, practical, private, pronunciation, recorded, school, speaker, story, study, tutor, video, webcam, yellow,