Ключевые слова: abstract, arched, bend, bent, bloat, blocks, bowed, bulge, bump, cement, concrete, corner, crescent, cubes, curve, curvilinear, curving, curvy, fisheye, floor, geometric, ground, lump, meander, meandering, pattern, prominence, protrude, protuberance, round, serpentine, shape, sinuous, square, squares, swelling, tile, tumescence, undulate, undulating, wavy,