Ключевые слова: abstract, ad, background, brain, brainstorming, business, businessman, caucasian, closeup, communication, computer, concepts, copyspace, creative, creativity, design, division, education, effort, five, graphics, group, holding, idea, ideas, intelligence, issues, market, marketing, mathematical, mathematics, minus, number, occupation, pencil, people, physics, plus, school, science, sign, social, solution, statistics, student, studying, symbol, team, university, white,