This shortcode displays a tag cloud with tabs. The tabs display the first letters that were found in the tags and tags are sorted accordingly under the tabs. The order of the tabs is determined by your WordPress locale.
Examples of the shortcode tag_groups_info that displays the number of tags in a group or in selected groups.
This post demonstrates the use of the PHP API to retrieve information about tag groups and associated tags.
This post demonstrates the use of a shortcode to display a tag cloud in an accordion where you can vertically slide open/close the tags of a group.
This post demonstrates the use of a shortcode to display a tabbed tag cloud.