"FrontPage 2003 introduced Dynamic Web Templates, a new and sophisticated type of Web page template that enables you to share a layout among several pages in a site, preserve specific regions of content from unwanted changes, and save time when you begin to manage the Web pages on your Web site.
By creating a Dynamic Web Template, you can make regions on attached pages available for other authors to add and modify content, while preventing changes to other regions on the same page. This provides you with control to preserve the layout of the pages and the template itself. When you update the content in a Dynamic Web Template, you can update the attached Web pages simultaneously."
"The Dynamic Web Template Interchange Guidelines have been established by a consortium of web designers and developers in an effort to provide webmasters using a third party DWT the ability to cross over from one design to another with relative ease. The goal of the DWTIG is not to standardize design; rather, to standardize the method in which the content is added to a DWT through Editable Regions within the design."