The Redirect Page is a special utility page that allows a content editor flexibility in a number of ways. One common use of the redirect page is to cross link information in different parts of your site by adding a link to your left navigation menu.
To do this, you would create a page and name it accordingly. Then simply cut and paste the URL you want to link to into the Redirect Page. This adds a page to your navigation that points to another area of your site.
This is what the Redirect Page looks like when editing:
Changing the layout of a page is easy -- here's how: Changing a Page Layout.