Ключевые слова: adult, adult education, age, audience, busy, casual, chair, cheering, classroom, communicate, communication, concept, contemporary, conversation, copyspace, discussion, diverse, diversity, event, group, idea, indoors, interaction, learning, lecture, likeminded, listener, mature, meeting, men, multiethnic, occupation, participants, people, person, place, project, room, row, seminar, senior, share, sitting, smiling, social, support, together, training, white, women,