Ключевые слова: adults, attendee, audience, auditorium, back view, briefing, business, business conference, businessman, businesspeople, cheerful, coaching, community, conference, corporate, delegate, education, event, explaining, group, indoors, interested, large group of people, leader, leadership, lecture, listener, listening, manager, meeting, motivation, occupation, people, person, presentation, professional, seminar, sitting, society, speaker, speech, staff, success, support, teaching, team, teamwork, training, watching,