Abstract fish made of glowing lines on a light backgroundAbstract fish made of glowing lines on a light background
Transparent balls and spirals on a dark backgroundTransparent balls and spirals on a dark background
Graphics with a sphere and float in weightlessnessGraphics with a sphere and float in weightlessness
В математике: всякая непрямая линия. Кривая линия, изображающая рост или падение чего-н. в развитии какого-н. процесса.