Rainbow stripes with bends are joined in the centerRainbow stripes with bends are joined in the center
Wallpaper in the form of a clock on a background of the same colorWallpaper in the form of a clock on a background of the same color
Illustration of multicolored lines on a black backgroundIllustration of multicolored lines on a black background
В математике: всякая непрямая линия. Кривая линия, изображающая рост или падение чего-н. в развитии какого-н. процесса.