A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
Questions about the site policy or policies for The Workplace.
proposed for inclusion in to the FAQ.
For questions about the bounty system, which allows users to spend some of their reputation in order to draw more attention to a question.
Regular posting of some closed questions at Workplace meta for community review.
For questions about the Winter Bash (or holiday hats) to celebrate the end of the year.