Shooters will line up with a basketball each.
The player with the ball will dribble away from the screen at first and also to get level to have a better angle to use the screen.
The players will dribble off the screen to get seperation when they are 1 or 2 dribbles away from the screen the player will stop and shoot a jump shot.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.
Good spacing is only the start. The best modern offences teach players to attack the defence's rotations and play in a permanent 4-on-3 - here is how to coach that read.
The ball screen produces almost half of all professional offensive possessions, yet most teams still teach it as a memorised play. The modern approach trains the read - giving players a framework to decide based on what the defence does, not what the coach called.