M
Mandatory Copy- Copy required by law to appear on the advertising of certain products, such as alcohol and cigarette ads.
Market- A designated political, geographical, economic, or statistical area.
Mass Transit- Public conveyances such as buses, trains, underground, and other rapid transit commuter systems.
Mechanicals- Information given to the creative person so he/she can create and scale the artwork according to the particular of a given ad structure.
Minimum Showing- The smallest sized showing an advertiser can purchase without per ad pricing which is typically more expensive.
Mobile Billboard- A truck that is equipped with one or more poster panel units. The truck can either be parked at specified venues or driven around designated localities.
Multiple Facing- An outdoor advertising location where there are two or more displays facing the same direction within 25 feet of each other.