Ключевые слова: backlit, banking, business, call, call log, coach, coaching, course, crisis, crisis management, design, education, evening classes, explain, finger, gesture, gesturing, hand, high school, insurance, job interview, learning, management, married, occupation, office, one, postgraduate, professor, ring, school board, seminar, sitting, student, study, studying, teacher, teachers, testing, training, undergraduate, volunteer, ward,