Ключевые слова: 3d, amplitude, analog, analysis, audio, background, cartography, concept, contour, curve, data, earth, elevation, equalizer, frequency, futuristic, geography, geometric, graphic, grid, heights, illustration, landscape, level, line, map, meter, mountain, music, navigation, oscilloscope, outline, physical, pulse, record, relief, science, signal, sound, soundwave, spectrum, technology, terrain, topography, travel, volume, wave, waveform, wavy,