intersection
a point
point
It is usually called an intersection or an intersection point.
It is their intersection.
It is not.
The point of intersection.
point
A point.
If the lines are identical, then the whole lines. If not they can either not meet at all or at a single point: the point of intersection.
Intersection.
intersection
a point
point
It is usually called an intersection or an intersection point.
The point where two or more lines meet is the intersection.
point of intersection