profilEdit light is a website editor. It is not a Content Management System based on a database. Instead it works directly in the HTML-file.
The main purpose of this editor is to keep it Simple! To implement it on an existing site, you only have to copy the files to your website and then add two lines of code to every HTML-file. That's it. Now, you are able to edit your website from any place in the world just using a browser.
Maybe your have had some Hardcore HTML-guy to make your website in a fancy design, and you are now paying him every time you want to change a comma. DONT. Install profilEdit light and change your documents just like they were written in Microsoft Word.