Ключевые слова: art, background, ball, blue, brain, brainstorm, bright, bulb, business, concept, conceptual, creative, creativity, crumpled, design, electric, electricity, energy, genius, idea, imagination, innovation, inspiration, intelligent, invention, lamp, light, lightbulb, metaphor, motivation, object, paper, pastel, planning, solution, start, strategy, symbol, think, thinking, white, yellow,