if you are a manager of a product, it can go two ways... you either are the leader of all that is that project or you foster that direction from your team. for

if you are a manager of a product, it can go two ways... you either are the leader of all that is that project or you foster that direction from your team. for the former, you sure as heck better know the technical aspects of that product other wise you are in the wrong position. for the later, ask questions when you encounter jargon you don't understand, or even you know look it up.