Drag and drop your page listings to reorder how your pages appear in your navigation.
Use the icons to the right to create a new page, duplicate a page, delete a page or have your editor jump to a selected page.
"SEO" stands for Search Engine Optimization and it refers to the methods with which you can increase your Website's Search Engine rankings. Using your Keywords and Description is one way to help your ranking. You can learn more at Wikipedia, here is a helpful SEO tutorial, and here is a list of 3rd party tools that may help.