what is a preliminary final

In the context of Australian Rules Football, a preliminary final is a game played in the third week of the finals series. The preliminary finals determine which two teams will advance to the grand final, with the winners of the preliminary finals moving on to play in the grand final and the losers being eliminated from the finals series. The name "preliminary final" is used to describe this game, and it is played after the semi-finals. The winner of the preliminary final advances to the grand final, which is played in the fourth week of the finals series.