Ключевые слова: black, bright, bulb, business, chalk, concept, conceptual, creative, creativity, desirable, desire, development, education, electric, electricity, energy, factor, function, glass, glow, glowing, handwriting, idea, innovation, innovative, intelligent, invention, lamp, light, metaphor, method, need, objective, plan, possible, principle, process, product, smart, strategy, symbol, symbolic, text, theory, viable, word,