Closing is a sales term which refers to the process of making a sale. Specifically, it refers to reaching the final step, which may be an exchange of money or acquiring a signature. Salespeople are often taught to think of targets not as strangers, but rather as prospective customers who already want or need what is being sold. Such prospects need only be "closed." Money is any marketable good or token used by a society as a store of value, a medium of exchange, or a unit of account. ... For use of the term in mathematics, see signature (mathematics). ...

The term is usually distinguished from ordinary practices such as explaining a product's benefits or justifying an expense. "Closing" is usually reserved for more artful means of persuasion, which some may compare with confidence tricks. For example, a salesman might mention that his product is popular with a person's neighbors, knowing that people tend to follow perceived trends. A confidence trick, confidence game, or con for short (also known as a scam) is an attempt to intentionally mislead a person or persons (known as the mark) usually with the goal of financial or other gain. ...

The term "closing" was popularized by the movie Glengarry Glen Ross, wherein Alec Baldwin's character preaches the rule of ABC: "Always Be Closing." Glengarry Glen Ross is the title of a 1992 movie, based on the 1984 Pulitzer Prize-winning play by David Mamet, who adapted it into a screenplay for the film. ... Alec Baldwin Alexander Rae Baldwin III (born April 3, 1958, in Massapequa, Long Island, New York, USA) is an American actor who is the oldest and best known of the Baldwin brothers, with brothers Daniel, Stephen and William. ...