Ключевые слова: black, book, boy, caucasian, child, class, classroom, computer, concept, conference, desk, distance, distance learning, education, education concept, female, five people, girl, homework, internet, knowledge, laptop, learn, learning, lesson, male, man, mature adult, mid, mid section, mixedrace, multiple, notebook, online, online education, people, school, section, student, study, studying, teacher, teacher video, video, video call, video conference, woman,