This is a tag. Tags are used for organising questions by categories. If your meta question is about creating/adding/removing tags on questions, or about the proper uses of a given tag, use this tag.
Tags are these. This is a tag.
If your question involves:
- Proper uses of tags
- Creation of a tag
- Removal of a tag
Then tag your question about tagging with this tag.
Tags can be rendered in markdown via the following format:
[tag:tag-name] → renders as tag-name