The means of the two variable, (x-bar, y-bar)
intersection
point
a point
It is usually called an intersection or an intersection point.
Point of 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
point
a point
Intersection.
It is usually called an intersection or an intersection point.
The point where two or more lines meet is the intersection.
point of intersection