This is the 3155th most frequent Japanese word.
勝ち
"勝ち" means "victory" or "win."
Here, 勝ち (kachi) is a noun forming part of the compound phrase 勝ち方 (kachikata), meaning 'way of winning.'
試合の勝ち方はとても重要です。
The way to win a match is very important.
In this usage, 勝ち (kachi) is part of the verb 勝つ (katsu), meaning 'to win.' It indicates the action performed.
そのチームが勝ったので、街全体が祝っています。
Since that team won, the entire city is celebrating.
In this sentence, 勝ち (kachi) refers to 'victory' or 'win,' used as a noun to indicate the result of an event.