What do intersecting lines have in common?

Intersecting lines have the characteristic of meeting at exactly one point. This unique point is where the two lines cross each other. The property of a single point of intersection is fundamental in geometry, highlighting the concept that when two distinct lines extend infinitely in both directions, they can only coincide at one specific location if they intersect.

In the study of geometry, this property distinguishes intersecting lines from parallel lines, which do not meet at any point, and from lines that overlap completely, which have an infinite number of intersection points. Thus, the correct answer underscores the definitive nature of the interaction between two lines when they cross.