0] During a browsing session, pressing the 0 key returns you to your Home Page or Bookmarks List.
 Displays the Bookmarks List
 Searches the text in the current page
 Navigates back to the previously viewed page
 Lists windows
 Toggles the Page Overview miniature image on and off
 Goes to the address entered[*] Zooms images in, making them larger
[#] Zooms images out, making them smaller
when you navigate to another page the right softbutton becomes labelled 'back'
It is even better than that. When you have navigated to more than one page, the right soft key will be labeled back but pushing it will result in a display screen of mini pages of where you have been and you can go back to any of them (within some limit, I am not sure how many). That way if you want to go back two or three pages you don't have to navigate through each one of them separately. Also, once you have gone back, the forward selection under the navigate menu selection (where the reload option is) becomes active.
Keep playing with the browser, it has a lot of functionality compared to anything I have used on a handheld (I was a WM5 user before switching over).