Change the format for each individual entry. This just changes how each thing you enter into your page is formatted.
Archive your current index page. This is for when your main index page gets too long and you want to clear it and store all the entries on another page.
Make custom changes to the overall look of your page.
Change your description in the user's directory.
Change your password. You should do this now and then!
Log out if you want to re-login as another user, or in case you're using a shared computer and worried about who is going to use it next.