Create opportunities for open cutters, and a triple gap for 1.
2 lifts for a pass, 1 screens away for 3, 4 cuts off 1's back.
Variation - 1 cuts to the left elbow without screening for 3.
3 can curl the screen if his defender trails, then 1 pops back out top as a pass option for 2 (shown).
3 cuts out top if his defender goes under the screen, then 1 fills the other guard spot.
2 passes to 3 and flattens to the corner, 3 swings the ball to 1 and cuts to create a triple gap, e.g. a loop cut (shown), corner cut, through cut, or nail cut.
See Quick hitters - Dribble-drive 243-143.