On the opposite end of the spectrum, we have disperse. This one starts with your arm raised horizontally, your hand flat (palm down), and your thumb to your opposite shoulder, then sweeping it ...

You'll see them extending their left arm roughly 45° downward, with their palm open and facing forward. They'll then move their hand multiple times from back to front in an arc.

Arguably, one of the most important of these hand signals involves bending your left arm down at a 90-degree angle with your palm facing backward. Doing this motion enough that it becomes second ...