A method for determining whether a hand is worth an opening bid. It stands for High cards Length Quick Tricks. You add your high card points to the lengths of your two longest suits and your number of quick tricks. If the total comes to 22 or more, you should open even if vulnerable.
You have 11 HCP, 9 cards in the majors and 2 quick tricks (the ace is one and the kings are a half each). Open 1♠.