Ключевые слова: background, brainstorming, brick, business, businessman, chart, computer, concept, concrete, creative, creativity, diagram, drawing, education, forward, hand, human, idea, internet, lamp, lantern, leadership, male, marketing, meeting, men, office, people, person, plafond, plan, research, room, seminar, showing, sign, sketch, sketching, success, suit, summit, teaching, technology, tracing, wall, whiteboard, workshop, writing,