the point is wat it is called and its the little dot where it originates
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It depends on what the name of the initial point is because that defines the direction of the ray. If the initial point is c, then the ray must be called cd, but if the initial point is d, then the ray must be called dc.
The ENDPOINT
a ray is (any of the thin lines, or beams, of light that appears from a bright source)
A ray has only one end point.
an endpoint