The corner of a solid where two faces meet is called a "vertex." In three-dimensional geometry, a vertex is a point where edges converge, and it is one of the key elements in defining the shape of a solid. For example, a cube has eight vertices.
A vertex is the name of a corner on a solid where three or more faces meet (plural = vertices).
an edge
an edge
An edge.
The edge.
A vertex is the name of a corner on a solid where three or more faces meet (plural = vertices).
a vortex
an edge
If the faces are flat, it's a line.
an edge
The edge.
An edge.
a vertex
vertex
A corner
A vertex.
4 corners