 Because I want you to know this is not exhaustive. I'm not even going to try. And I'm not going to get into all the fancy terms they talk about. But I am going to give you two terms that I want you to remember. And it's state of charge. And let me get the other one because these are two very important ones. I want you to remember state of health and state of charge. S.O.C. and S.O.H.,