What "world chess federation" means in chess

The World Chess Federation, also known as FIDE (Fédération Internationale des Échecs), is the international organization that governs the game of chess and oversees international chess competitions. It was founded in 1924 and is based in Lausanne, Switzerland. FIDE is responsible for creating and enforcing the rules of the game, organizing official world championship events, and assigning international chess ratings to players. It also promotes and develops the game of chess around the world.