This tool offers a structure for sifting through the information, options, ideas, options, etc. It helps put all everything out on the table, so to speak.
In any decision-making opportunity, your teen has much to consider. They are simultaneously considering their own ideas, beliefs about what peers expect from them, thoughts about family norms, and images from media.
You can (and will) change your mind/path/course/plan along the way. And that okay. It's necessary, in fact. As you and your circumstances and the world around you changes, your choices and decisions will too.