Ключевые слова: abstract, backdrop, background, black, blue, center, circle, circular, concentric, curve, decoration, design, effect, element, geometric, graphic, green, helix, hypnosis, hypnotherapy, hypnotic, hypnotism, hypnotize, illusion, illustration, line, motion, optical, pattern, psychedelic, radial, rotating, rotation, round, set, shape, spin, spiral, swirl, swirling, texture, twirl, twist, vertigo, volute, vortex, whirl, whirlpool, white,