Ключевые слова: abstract, art, background, board, brain, business, card, color, concept, copy, creative, crisis, design, development, dissection, education, educational, element, entrepreneur, figure, financial, game, geometric, geometry, holding, intellectual, kids, learning, logical, man, parallelogram, people, piece, play, problem, puzzle, seven, shape, solution, space, square, symbol, tangram, toy, transformation, triangle, umbrella, wallpaper, wood,