noun

A "banner" is a large piece of cloth or vinyl with a design or message on it, typically hung from a horizontal bar or mounted on a wall, used for decoration or to advertise something.

Example

1. A political rally was held in the town square with a large banner reading "Vote for Change".
2. The local sports team's fans were waving banners and cheering loudly at the championship game.
3. A banner advertisement for a new movie was displayed on the side of a building in the city center.