We've glanced briefly at the key elements of the Unity interface, but there's no need to stop poking around. Far beyond the scope of this book, there is a wealth of menu options, buttons, and controls that we haven't covered. Why not explore those menus or start randomly clicking on things that you don't yet understand? Now is the time to safely break stuff. You didn't work hard to create the Island Demo, so why not mess around with it a little bit?
Here are some things to try: