very often a curve is defined as the path, or locus, of a point which moves according to a given law.
A line
Orbital Pathway
A line.
The line.
It is a line.
It is a line.
It is a line.
line
REVOLTION
The path or course of a given movement, or moving body; an indication of the point toward which an object is moving.
The path or course of a given movement, or moving body; an indication of the point toward which an object is moving.