A WikiName that has special meaning to the community. It is used to group pages, by searching for the tag and seeing all the pages that have it.
Currently used wiki tags:
CleanMe - Page needs cleanup post Kwiki move
DebianJr - Page is part of Debian Jr. project
CategoryHomepage - Page is ?PersonalPage and a ?WikiHomepage. This is just one of many Categories in CategoryCategory.
FixMe - Here is something that needs to be fixed.
And of course, WikiTag itself.