If your trying to add a page to the dictionary, simply create a link to a new page.
That is achieved by putting your new page name in double square brackets, [[page name]] like so. Once you save the page, your new page name will appear as a link, then simply click on it and start editing.
There are some rules regarding categories, and laying pages out, please look at Ghots_Riders and Bad CO's posts on the subject in this forum.
The first thing you do is create a link to the new page on the dictionary . You do this by clicking the edit button and then putting in the page title surrounded by [[ &]]. Thus
[[New Page Name]]
When you've saved the dictionary page you will see that the link you've created is red which means that there isn't a page of that name in existence. Click on it and you'll open it up ready for content to be added! When you are done remember to save it.
When you create a new page, try and put it in an appropriate category.
This is done by putting the following at the top of your new page:
Enjoy.... but be aware that once you get started it is very addictive!