Ключевые слова: background, blackboard, board, brainstorming, bright, chalkboard, conceptual, creative, creativity, crosshatch, design, drawing, electric, electricity, energy, engrave, engraving, etching, hand, handdrawn, hatch, hatching, idea, illustration, image, imagination, incarnation, innovation, inspiration, invention, light, line, lineart, modern, novation, painting, pen, pencil, power, progress, retro, solution, style, technology, term, theory, thinking, thought, vintage,