Definition of flows:
(n) :
Movement in people or things characterized with a continuous motion, involving either a non solid mass or a multitude.
(n) :
The movement of a real or figurative fluid.
(n) :
(mathematics) A formalization of the idea of the motion of particles in a fluid, as a group action of the real numbers on a set.
(n) :
The rising movement of the tide.
(n) :
Smoothness or continuity.
(n) :
The amount of a fluid that moves or the rate of fluid movement.