Your points are good ones, especially since they emphasize that different people have different expectations of what a "button" is and isn't. Your points indivi

Your points are good ones, especially since they emphasize that different people have different expectations of what a "button" is and isn't. Your points individually describe a button with a label, one with a toggle, an actual button, and a progress indicator. All of those things can be "buttons" depending on the user.