They can be two arcs, like the outline of a crescent moon, or a contact lens.
Two straight lines on a plane surface cannot have two points of intersection: there can only be 0, 1 or infinitely many.
In Euclidea space it is either a point or the two lines - which must be coincident. ----- Intersection = the point/s where the two lines meet in space. It is a point or set of points that are common to two or more geometric configurations (also called "product" - the set of elements that are common to two sets).
Their intersection.
It can be if the set consists of convex shapes, for example.
Intersection.
Intersection
The intersection of two or more mathematical objects is the set of all points that are common to all of them. In set theory, that would be the elements in common. In geometry, it would be the set of all points in common. For example, the intersection of two different planes is a line; the intersection of a plane and a cone are the conic sections: circle, ellipse, parabola and hyperbola.
Intersection Ad Muncher
The intersection of two distinct planes is a line. The set of common points in the line lies in both planes.
intersection Just kiding or maybe
Points do not extend, lines do.
It is called the intersection of the two figures.
Given two or more sets there is a set which is their union and a set which is there intersection. But, there is no such thing as a "union intersection set", as required for the answer to the question.