How Do I Communicate to My Product Owner?

The question is how do you communicate to your product oner, my scrum master, whatever the term dejur is for the person running the project? So for example, if you use classic scrum, you need a product owner first and foremost that can define for you a front hey, i want you to develop a machinery model to enhance the product or do something that's cool. And i'm gong to use he accuracy. Please don't shoot me for imjting. Use that as a monicor for success. It could be sensitivey sbecifited,. right? F one score or whatever. But i use accuracy. I need an accuracy for at least