Intersection

Intersection has various meanings in different contexts:

In road transport, an intersection is a place where two roads meet. If there is a grade separation, it is an interchange.
In mathematics (in particular, set theory), an intersection is the set of elements common to some collection of sets.
In aviation, an intersection is an virtual navigational fix.
In post-classical cinema, Intersection (1994) is Mark Rydell's remake of Claude Sautet's 1970 French film, Les Choses de la vie.