What does it mean when it says “Tell us something that you have not already told us in this application that will help us to better understand your potential for academic success as a college student.” Those it has to be something academic of can it be activities we enjoy.
They want to know you, and this is your chance to give them additional insight into who you are. They want you to be successful and they want you to tell them why you think you will be. They need some narrative to go with your stats.