The opponents 5 pt. The golden point is the best defensive point you can own at the beginning of the game.
The 5-point. This is not an "accepted" term but you may hear it. Paul Magriel, in his excellent book on backgammon, coined this term to emphasize the importance of owning the 5-point.
From Paul Magriel A term attributed to one's opponent's 5-point, significant for its strategic value as a location as an anchor. Search
The fifth point in from the beginning of one's own home board, also known as the 'five point'.
The golden point, a sudden death overtime system, is used to resolve drawn matches in the National Rugby League. The term is borrowed from soccer's now defunct golden goal.