A Short and Simple Explanation on How to Defend
/Attacking: Based on the 5 corridors width-wise we want all 5 corridors to have players in them.
Based length–wise we want a maximum of 2 of 3 zones filled; with the exception of the keeper.
Defending: Based on the 5 corridors width-wise we want a maximum of 3 corridors filled with players preferably 2.5 if possible.
Based length-wise we want a maximum of 2 of 3 zones filled preferably the whole team is condensed into 1.5 zones or at most half a field.
Read More

Often players position to receive the ball with their back to play. These session plans show some ideas on how to position and instead "Face Forward" or at least Half Turned or three quarters turned rather than positioning square and facing back.