Ключевые слова: audience, briefing, business, businessman, ceo, coach, conference, congress, convention, corporate, course, education, educator, entrepreneur, entrepreneurship, event, explaining, group, hall, instructor, investor, leader, lecture, listeners, male, man, manager, meeting, participants, person, pitch, presentation, professional, project, public, sales, seminar, session, speaker, speech, startup, student, study, summit, talk, teach, tutorial, university, workshop, young,