side

A side is a straight edge of an object.

Example: A square has four sides.

A side is the left part or the right part of something.

Example: This car has only one door on each side.

A side is an area next to or near something else.

Example: The statue is on the east side of the school.

A side is one surface of a sheet of paper.

Example: Please write on both sides of the paper.

A side is one possible way of looking at or thinking about a concept (usually positive or negative).

Example: On the plus side, my car is fixed.