Ключевые слова: adult, audience, briefing, business, businessman, businesswoman, classroom, coaching, communication, conference, congress, convention, cooperation, corporate, education, entrepreneur, event, executive, explaining, group, indoors, information, leadership, lecture, listening, male, manager, meeting, men, occupation, office, participants, person, presentation, professional, public, room, seminar, sitting, speaker, speech, suit, team, teamwork, training, university, white,