what does 9&7 mean golf

In golf, 9&7 refers to a score in match play where one player or team wins a match by being 9 holes up with only 7 holes left to play. Match play is a format in golf where players or teams compete against each other on a hole-by-hole basis, with the winner of each hole receiving a point and the winner of the match being the player or team with the most points at the end of the round.