International football, also known as soccer in some countries, is a sport played between national teams from different countries. The most prestigious tournament is the FIFA World Cup, held every four years, where teams compete for the title of world champion. Other important competitions include the UEFA European Championship and the Copa América. International football is governed by the Fédération Internationale de Football Association (FIFA), which oversees the rules and organization of the sport globally. National teams qualify for international tournaments through regional competitions, and players represent their countries, showcasing their skills on a global stage.