We are in the process of updating the WebEdit documentation. Though, some of the content below might still be applicable to your needs.
There are three fields for every page that are important to know about: the Title field, the Display Name field, and the System Name field. When you create or modify a page, you will want to make sure that these fields are set correctly. The links below explain what the differences are between the fields, and how to make changes to those fields.