On this page, you can see a list of tag groups defined for a chosen site. By selecting a site using the Site drop-down list, you can choose the site for that the tag groups will be displayed. Each of the tag groups can be Edited () or Deleted (). New tag groups can be created using the New tag group link. After clicking the icon in the header of the Actions column, a context menu is displayed, offering options for export of listed data to various types of files.
Detailed information about the Tag groups and the Tags module can be found in Developer's Guide -> Modules -> Tags.