It is a line segment
Ray
line segment
A point on the line.
there is a line and ploting point
A line segment starts at a point, goes straight and ends at another. Um, google images a picture. Otherwise, it would look kind like this I guess: ._____________. But those dots would be on the line, attached at the ends.
A line segment
A line segment!.
line sgments
It's a half-line or a ray.
a ray
Not possible, the point would be part of the line. * * * * * So, the intersection is that point. Think in terms of sets rather than geometry.
The mid-point