Ключевые слова: 3d, background, box, business, businessman, caucasian, communications, concept, creative, creativity, crumpled, designer, drawing, education, hand, idea, isolated, leadership, manager, marker, men, organization, outside, paper, pen, pencil, people, person, showing, sign, sketch, sketching, symbol, teaching, think, thumbnail, transparent, white, whiteboard, word, wrinkled, writing,