HOW should I write a personal statement?

<p>Okay, I may sound really dumb here. Carolina asks for an optional additional statement, but I don't know the topics I want to write on. The prompt asks many questions (summer involvements, personal difficulties, etc...), and there's no way I can list them all. Here's my question:</p>

<p>Should I write my personal statement in an essay format or basically list everything not covered in the application?</p>