margin

Definitions

• (typography) The edge of the paper, typically left blank when printing but sometimes used for annotations etc.
• The edge or border of any flat surface.
• (figuratively) The edge defining inclusion in or exclusion from a set or group.
• A difference or ratio between results, characteristics, scores.
• A permissible difference; allowing some freedom to move within limits.
• (finance) The yield or profit; the selling price minus the cost of production.
• (finance) Collateral security deposited with a broker, to compensate the broker in the event of loss in the speculative buying and selling of stocks, commodities, etc.