This is a predefined home page, you could edit put information about your site so readers know where you are coming from. You can request to use customise your home page with information that you want your visitors to see.
You can create as many pages like this one or sub-pages as you like and manage all of your content.
News, Photos & Videos navigational links will be created automatically on the left as soon as you created an item within in each category.
Remember that you can also create some shortcut links and display on this page to provide quick access for your visitors. You can group the links by creating link categories which will be shown automatically as soon you create you first link under Links section in the admin area.