What does the term hook mean in sailboat racing - as in America's Cup?

In sailboat racing, particularly in events like the America's Cup, the term "hook" refers to a tactical maneuver where one boat positions itself to gain an advantage over another by effectively "hooking" into its wind shadow. This can disrupt the other boat's airflow and reduce its speed, allowing the hooking boat to gain ground. The maneuver is often executed during close racing situations to leverage better wind conditions and improve overall performance.