Ключевые слова: background, banner, brain, bright, bubble, bulb, business, cartoon, creative, creativity, design, drawing, education, efficient, electric, electrical, electricity, emblem, energy, eureka, flat, fluorescent, graphic, icon, idea, illumination, illustration, imagination, innovation, insight, inspiration, invention, isolated, lamp, light, lightbulb, message, mind, power, shine, sign, solution, success, symbol, technology, think, unique, wire,