Here's a video from Coach Izzo to demonstrate the Pick & Roll. You can clearly see the screen set by the teammate.
This team tactic (strategy when applied in a game) is commonly used in territorial games (e.g. basketball, netball, captain's ball).
We are learning this tactic safely so we can apply it into the Handball game. (Of course, there are different attack team attack tactics in [full contact] handball but we will learn Screen / Pick & Roll safely through drills first.