Ключевые слова: abstract, art, background, bending curved line, circle, circular, concept, creative, curves, decoration, decorative, dynamic, elegant, element, geometry, graphic, lines, math, monochrome, movement, optical, ornament, ornamental, oscillation, pattern, pencil, petal, repetition, ring, rosette, round, shape, sharp, spiral, square, stroke, style, symbol, tile, twirl, twisting, wavy line, whirl, wire,