Changing around basic content and functionality with Concrete5.7 is simple.
When you're logged into the CMS, a toolbar will run along the top of your screen whenever you are logged in.
If you have just logged in but you don't see the toolbar when you visit a page, try refreshing the page.
Left hand side icons
Everything on the left has to do with the current page you're on:
Right hand side icons
Everything on the right lets you do things with your whole site: