> I don’t quite understand how “windows” work on a Mac. The app and having a window open of that app are decoupled, simple as that. Open up, say, Safari, press

> I don’t quite understand how “windows” work on a Mac. The app and having a window open of that app are decoupled, simple as that. Open up, say, Safari, press Cmd+W to close the window, and Safari will still be open. Press Cmd+N and you'll open a new window. Press Cmd+Q to quit it, regardless of how many windows (including zero) are open.