Diagram 1: 1 comes off downscreen from 5
Diagram 2: As the ball is entered 4 downscreens for 2 and 4 clears, and 1 passes to 2.
Diagram 3: 5 sets backscreen for 3, 2 looks for lob to 3, 1 goes to the corner and 5 rolls back to the ball
Diagram 4: If no lob thrown 5 continues to set a ballscreen for 2, and 3 continues to set a lateral screen for 4 (this could also be a flex screen). 2 comes off 5’s ballscreen hard looking for direct drive to basket, 4 coming off 3 or for 1 spotting up in the corner.