... Template webs were created to act as templates in creating webs. It is now possible to create webs via the ManagingWebs topic. In the not so distant past TWiki webs were created by hand. The data directory contains the different webs such as Main and TWiki . A web that begins with an underscore "_" character is considered invisible and a template. All files in the _default (or any other web that begins with an underscore) template web will be copied into your new web. ...