Illustration of abstraction design vector graphicsIllustration of abstraction design vector graphics
A red eye with black dots, from which funnel-shaped stripes radiateA red eye with black dots, from which funnel-shaped stripes radiate
The movement of the car is beautifully blurred colorsThe movement of the car is beautifully blurred colors
В математике: всякая непрямая линия. Кривая линия, изображающая рост или падение чего-н. в развитии какого-н. процесса.