If you would like to create a Menu in your project you can just press Command and Y. A new video track is Control, Command, and T, and a new picture slideshow is Command and K. A new script is Command and the ‘ key, and a new language option is Command and the / button. To add a new Story you press Shift, Command, and T. To create a sub-menu within one of the menus you press Option, Command, and Y.