The texture of the ruby crimson color of the desktopThe texture of the ruby crimson color of the desktop
Abstraction knocked down green circles with an orange center on a blue backgroundAbstraction knocked down green circles with an orange center on a blue background
Abstract dynamic pink and blue lines with a scattering of dotsAbstract dynamic pink and blue lines with a scattering of dots
В математике: всякая непрямая линия. Кривая линия, изображающая рост или падение чего-н. в развитии какого-н. процесса.