a line
Each side is called a face.
The faces in a 3-D shape (polyhedron, for example) are bordered by edges.
A sphere
If these forms are all solid, a sphere has one side and face, a cone two, and a cylinder three. If there are hollow, they have one more face than side.
An edge.
a line
An edge.
Slip face.
It is called the profile
The cheek The Temple or as a side view, the profile.
The steep side of a dune is called the slip face. It is the side of the dune where sand grains are deposited as they slide down due to gravity.
A place where two faces meet is called an edge.
Slip face.
Your profile
distortional elongated side
Pennies have Abraham Lincoln's face on one side. Nickels have Thomas Jefferson on one side. Dimes have Franklin Delano Roosevelt's face on one side. Quarters have Georges Washington's face on them. Half-dollar pieces have John F. Kennedy's face on one side.