Ключевые слова: academic, audience, briefing, business, businesswoman, classroom, coaching, conference, congress, convention, cooperation, corporate, education, event, explaining, female, filter, forum, group, hall, indoor, information, knowledge, learn, lecturer, listener, management, manager, meeting, old, participant, presentation, proffesional, retro, screen, seminar, session, sitting, speaker, student, studying, training, university, vintage,