Measures adopted by a government to prevent espionage, sabotage, or attack, Measures adopted, as by a business or homeowner, to prevent a crime such as burglary or assault, A financial instrument, such as a stock or bond, representing rights of ownership or creditorship and often traded in secondary markets

One that distributes, especially a device that applies electric current in proper sequence to the spark plugs of an engine, One that markets or sells merchandise, especially a wholesaler, a company that markets merchandise,

Plural form of market

an area in a town where a public mercantile establishment is set up, the world of commercial activity where goods and services are bought and sold, The place in which a market is held, usually an open space in a town set apart for the holding of markets