Ключевые слова: academic, audience, black and white, blue, business, businessman, coaching, conference, congress, convention, convention center, cooperation, corporate, education, educator, entrepreneur, entrepreneurship, event, explaining, group, indoors, information, institute, leader, learn, lectern, lecture, lecture hall, male, man, manager, meeting, participants, people, podium, presentation, professional, public, rostrum, seminar, speaker, speech, study, summit, talk, teacher, teaching, training, university, workshop,