The Templates tab specifies a list of directories where new document templates are located for this particular framework. These directories, along with the document templates that are saved inside them, will appear in the New from templates wizard inside the Framework templates category according to your framework and the directory path you specify in this tab.
To open the Templates tab of the Document type configuration dialog box, open the Preferences dialog box , go to Document Type Association, use the New, Edit, Duplicate, or Extend button, and click on the Templates tab.
The Templates tab includes the following actions:
New- Opens a dialog box that allows you to specify the path to a directory that contains
document templates for this framework. You can
specify the path by using the text field, its history drop-down, the
Insert Editor
Variables button, or the browsing actions in the 
Browse drop-down list.Tip: The path can also contain wildcards. For example, using${frameworkDir}/templates/*would add all the template folders found inside the templates directory. 
Edit- Opens a dialog box that allows you to edit the path of a directory that contains
document templates for this framework. You can
specify the path by using the text field, its history drop-down, the Insert Editor
Variables button, or the browsing actions in the Browse drop-down list.Tip: The path can also contain wildcards. For example, using
${frameworkDir}/templates/*would add all the template folders found inside the templates directory. 
Delete- Deletes the currently selected template directory from the list.
Move
Up- Moves the selected template directory up one spot in the list.
Move
Down- Moves the selected template directory down one spot in the list.