Ключевые слова: adult, advice, analysis, analyze, background, balance, blue, bulb, business, businessman, change, concept, creativity, draw, education, graphic, hand, human, idea, man, manager, meeting, office, pen, person, plan, plus, pointing, presentation, problem, screen, seminar, showing, sign, sketch, solution, teacher, teaching, think, turn, white, whiteboard, work, write, young,