Answer:
A(n) Vertex is a point where three or more edges intersect.
Step-by-step explanation:
Face--
A face is composed of a flat surface.
Cross-Section--
A cross-section is an image which is formed on cutting or slicing straight through an object.
Edge--
An edge is a line that is formed on joining two vertices in a polygon, polyhedron or higher-dimensional polytope.
Vertex--
Vertex in geometry means a point or a corner where lines meet.
Hence, the answer is:
Vertex.
