Ключевые слова: abstract, background, business, businessman, career, caucasian, color, communications, concept, continent, creative, creativity, designer, drawing, education, hand, human, icon, idea, image, isolated, ladder, leadership, male, manager, marker, men, money, organization, pen, pencil, people, person, showing, sign, sketch, sketching, stair, step, success, successful, symbol, teaching, thumbnail, tip, transparent, white, whiteboard, writing,