Ключевые слова: abstract, background, centrifuge, circle, circular, circulation, concept, creative, cycle, emission, epicenter, geometric, geometry, hypnosis, icon, illustration, impact, irregular, line, monochrome, orbit, pattern, radar, radial, radiating, radiation, radio, radius, random, resonance, ring, ripple, rotate, rotation, round, shape, shock, shockwave, sonar, spiral, swirl, symbol, transmission, transmit, twirl, vibration, vortex, whirl, whirlpool, white,