Ключевые слова: abstract, art, background, black, checkered, colorful, concept, deceptive, decoration, delusion, effect, endless, eyesight, faceted, fallacy, fancy, fantasy, four, illusion, illustration, motion, motley, movement, moving, optical, pattern, patterned, phantasmagoria, pointed, rotation, seeming, spin, star, surface, trick, vision, visual, visually, white,