Ключевые слова: abstract, ask, background, bubble, business, collective, communication, concept, connection, contrast, corporate, data, different, direction, distinction, education, equipment, error, exchanging, exclaim, faq, group, head, help, human, idea, illustration, information, interrogation, isolated, lost, mark, money, office, pattern, people, person, problem, professional, punctuation, query, quest, question, request, shape, sign, solution, success, support, symbol, team, teamwork, think, who, whose, why,