Ключевые слова: background, bright, bulb, business, clip, color, concept, conceptual, creative, creativity, dark, design, electric, electricity, energy, environment, equipment, finance, financial, generation, glass, glow, gray, grey, idea, illuminated, illumination, imagination, incandescent, innovation, inside, intelligence, invention, investment, lamp, light, lightbulb, lit, money, object, power, reflection, save, savings, science, sign, solution, symbol, technology, text,