Why not just switch to it and quit it without opening a new Window? That's the whole paradigm. Windows belong to applications, but applications aren't windows.

Why not just switch to it and quit it without opening a new Window? That's the whole paradigm. Windows belong to applications, but applications aren't windows. That's one reason the menu bar is divorced from any window (along with Fitt's law): so that you can interact with an app even when it currently has no windows open.