Ключевые слова: abstract, backdrop, background, black, black and white, chaos, chaotic, contrast, decorative, design, effect, geometric, geometry, graphic, grid, hypnosis, hypnotherapy, hypnotic, illusion, illusive, interference, line, lined, meditative, mesmeric, moire, monochrome, motion, noise, op art, optical, pattern, psychedelic, relaxation, rhythmic, single color, smooth, stripe, stripy, texture, tile, tiling, trance, undulate, unusual, visual, visual effect, wave, wavy, white,