More generally, a tessellation can be viewed as a kind of topological cell complex, as can the faces of a polyhedron or polytope; the vertices of other kinds of complexes such as simplicial complexes are its zero-dimensional faces.
More broadly, a tessellation can be seen as a type of topological cellular structure, similar to the faces of a polyhedron or polytope; its vertices are the zero-dimensional surfaces of other kinds of complexes such as simplicial structures.