What does «margen» mean in Spanish?

Boundary or shore.

Examples of use in Spanish: "la margen del río"; "la margen del campo".
White space left around a piece of writing.

Examples of use in Spanish: "el margen de una página".
Apostille, marginal note.
In economics, the amount of profit that can be made in a business.

Examples of use in Spanish: "margen de ganancias".
Ease, freedom.

Examples of use in Spanish: "margen de movimiento".
(al margen) Outside.

Examples of use in Spanish: "vivir al margen de la sociedad".