a ray.
line segment
The terminator.
line segment
double line
Railhead This can also be known as a Terminus.
It is a horizontal line segment.
A line segment with a finite, non-zero gradient.
Line Segment
a straight angle
Word wrap
Call in 5 nukes.
Well, darling, that's what we call a "ray". It's like a line that decided to show off and grow a pointy edge on both sides. So, next time you see a line feeling fancy with arrows, just remember it's called a ray.