Ключевые слова: blackboard, board, business, chain, chalk, chalkboard, circle, colorful, company, concept, connected, connection, cooperating, cooperation, cut, depend, dolls, drawing, education, expression, figures, friendship, goal, group, holding, letter, light, linked, management, metaphor, office, organization, paper, participation, partners, partnership, people, person, red, relationship, row, shadow, sketch, strategy, success, team, teamwork, unity, working, write,