The part of your ad whose job is to persuade people to click. Great ad copy starts the conversation that you’ll continue on your landing page.

The main text of a clickable search or context-served ad. It usually makes up the second and third lines of a displayed ad, between the Ad Title and the Display URL. Source: SEMPO

All spoken words or printed text in an advertisement.

Ad copy, short for advertisement copy, pertains to text on the internet written for paid advertisements typically on PPC or Social Media campaigns. In regards to PPC ad copy takes the form of the meta [..]

Text of an advertising message that aims at catching and holding the interest of the prospective buyer, and at persuading him or her to make a purchase all within a few short seconds (Source)

Lettering imprinted on any item. In the promotions industry, ad copy is often an advertiser’s name, sales message, trademark, or slogan.