Ключевые слова: abstract, annular, art, background, circular, colored, concept, creative, deceptive, delusion, effect, fallacy, fancy, fantasy, graphic, hole, hypnotic, illusion, illustration, imagination, motion, motley, movement, moving, object, optical, patterned, pentagram, phantasmagoria, pit, purple, rings, rolling, rotating, rotation, round, space, spin, surreal, tornado, torus, trick, typhoon, visual, visually, vortex, whirl, whirlpool, yellow,