What's the intersection?

The intersection is the point or area where two or more things come together or cross paths. This can refer to the meeting point of two roads, the point where two lines intersect on a graph, or the overlap of two different ideas or concepts.

intersection

The intersection of two sets is the set of all elements which are common to both sets.

For example, the intersection of the sets {1, 2, 3} and {2, 3, 4} is the set {2, 3}.