All golf hole have a "Par" rating. for a Par 4 that means 2 shots to get on the green and 2 putts for 4. A birdie 3 means you only needed 1 putt. An eagle means you put your second shot in the cup for a 2. For par 3s one on and 2 putts for a par. For par 5s, 3 on and 2 putts.