Ключевые слова: academic, applauding, applaus, audience, body part, business, businessmen, businesspeople, businesswoman, caucasian, chairs, coaching, colleagues, conference, conference hall, congress, copy space, corporate, cropped, educative, educator, formal wear, gesture, gesturing, indoors, information, lecture, lecturer, listeners, meeting, men, partial view, participants, people, presentation, profession, professional occupation, seminar, sit, speaker, woman,