Ключевые слова: abstract, application, background, blue, cartoon, circle, climate, cloud, cloudy, concept, contrast, cycle, dark, day, design, equinox, evening, flat, graphic, half, icon, illustration, isolated, light, long, meteorology, moon, moonlight, morning, night, pictogram, round, sign, sky, sleep, star, summer, sun, sunlight, sunny, sunrise, sunset, sunshine, symbol, temperature, time, warm, weather,