Ключевые слова: background, behavior, behaviour, best, blackboard, blue, brown, business, chalk, chalkboard, class, cloud, code, collage, communication, conduct, courtesy, culture, discussion, effort, etiquette, expectation, finishing, form, friendly, genuine, good, group, interaction, label, manner, meeting, nice, norms, office, person, personal, philosophy, polite, protocol, rule, school, social, standard, touch, unwritten, white, word, word cloud, yellow,