Abstract purple background with a writhing snake lineAbstract purple background with a writhing snake line
I would go to the sky, to the sky, to the sky, here i was, and there i was notI would go to the sky, to the sky, to the sky, here I was, and there I was not
В математике: всякая непрямая линия. Кривая линия, изображающая рост или падение чего-н. в развитии какого-н. процесса.