My friend told me that his Tae-Kwan-Do class was asked to perform some basic kicks. Despite their black belts, the class had trouble executing white belt maneuvers. The class was given a month to improve their fundamentals.
Irrespective of the level of play, the fundamentals remain the same. All coaches should pay attention to these details and devote time to the basics. Elite basketball players still need the time to develop skills like footwork, passing, or shot-faking. This concept is not a sport-specific lesson in any way.
Whether you are running the Princeton offence or trying to combine the playbooks of the Phoenix Suns and the Los Angeles Lakers into a few offensive sets, you need to maintain possession of the ball, put it in the basket, and stop the other team from doing the same.