Ключевые слова: abstract, asymmetric, asymmetry, backdrop, background, basic, black, black white, contrast, creation, dense, density, geometric, geometrical, geometry, graphic, grayscale, half tone, halftone, horizontal, illustration, line, linear, linen, misc, miscellaneous, monochrome, optical, parallel, pattern, pin, pinstripes, plain, railing, simple, sparse, straight, streak, stripe, striped, symmetry, texture, vertical,