It is mainly known as it's course.
River
The path of a projectile is called its trajectory. It is the curved path that an object follows when it is thrown or shot into the air.
The river follows a sinous path through the forest.
The nation gambia follows a river called the Gambia River.
No, the St. Lawrence River is not man made. But the St. Lawrence Seaway that follows part of the river's path is.
The direction that a river flows is called the flow or the drainages. Water generally flows downhill or from a higher elevation to a lower one.
It's meander.
Orbit
The path is called an orbit.
Its called an orbit.
traction
Orbit