A television advertisement (also called a commercial, spot, break, advert, or ad) is a span of television programming produced and paid for by an organization. It conveys a message promoting, and aiming to market, a product, service or idea. Advertisers and marketers may refer to television commercials as TVCs.
Advertising revenue provides a significant portion of the funding for most privately owned television networks. During the 2010s, the number of commercials has grown steadily, though the length of each commercial has diminished. Advertisements of this type have promoted a wide variety of goods, services, and ideas ever since the early days of the history of television.The viewership of television programming, as measured by companies such as Nielsen Media Research in the United States, or BARB in the UK, is often used as a metric for television advertisement placement, and consequently, for the rates which broadcasters charge to advertisers to air within a given network, television program, or time of day (called a "day-part").
