Ключевые слова: a light source, abstract the lines, amplitude, artificial light source, background, beautiful, blue, blur, bright, celebration, clarity light source, color, colors, communicate, communication, concept, coordination, curve, decoration, design elements, diagonal stripes, diffraction, dispersion, dispersive prism, education, electromagnetic radiation, electromagnetic wave, electron energy, energy, eyecatching, fashion, fluctuation, focus, frequency, full, gentle, geometric elements, geometrical optics, gradient, gray, green, healthy, hue, indigo, laser, layers, light, lighting, lightness, linear optics, lively, lovely, mature, microwave, mottled, net pure, nonlinear optics, optical design, optical fibers, optics, orange, penetrate, power, projection, radio waves, red, reflection, refraction, regular, romantic, saturation, scattering, simple, smooth, spectrum, speed, spiral, stable, stream, structure, summary, swirl, technology, texture, textures, the photoelectric effect, the speed, the speed of light, tortuous, tough, transmission, transparency, transparent, transport, vibration, violet, vision, visual, volatility, wavelength, xrays, yellow, young,