“*”
Refers to the star a person becomes when they live a life and become the center point of a collection of people and experiences that make them who they are.
It can be described as simply who and what they pull together to become something new.
For example:
“All the photos on your hard drive, anyone you’ve ever touched, with a hand or a word, your feelings, the sky and the ocean, you are the * that binds them all together.”