A good "setting" is something that's part of the normal UI. Take brush size in Photoshop as a simple example. You obviously don't want to set that in some cont

A good "setting" is something that's part of the normal UI. Take brush size in Photoshop as a simple example. You obviously don't want to set that in some control panel. So you just integrate it into the main UI. I think one should strive to do the same with most settings.