Ключевые слова: background, brain, brainstorm, bulb, color, colour, concept, creativity, crinkle, discovery, education, efficiency, electrical, electricity, energy, flat, genius, gyrus, head, icon, idea, imagination, innovation, inspiration, intelligence, invention, isolated, knowledge, lamp, learning, light, lightbulb, line, metaphor, mind, motivation, pictogram, power, psychology, science, simple, smart, solution, strategy, stroke, symbol, think, thought, white,