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.

designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.
2324 questions
For questions asking for help with the use of one or more of the site's features.
For questions about tags: proposals to create, synonymise, merge, or remove tags, questions about usage guidance for particular tags, etc.
388 questions
when examining what is on-topic or off-topic, and why.
193 questions
For use when inquiring about a particular question e.g. inquiring about a specific question's suitability for this site.
174 questions
for new functionality you want, which cannot be achieved by current tools or moderation efforts.
158 questions
For questions about the closing of questions: whether, when, why, and how questions should be closed.
136 questions
For questions regarding the design elements of the main and meta sites e.g. CSS issues
129 questions
For questions about closing questions, or about a specific closed question.
117 questions
referring to the process of identifying and closing questions that are duplicates of another question.
98 questions
For questions relating specifically to posts with the [story-identification] tag on the main site.
91 questions
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80 questions
For questions about the real time, stateful web chat.
73 questions
For questions about the Science Fiction & Fantasy community blog.
71 questions
For questions relating to spoilers, content about a work (movie or book) that some users may not know yet,
69 questions
For questions about tag synonyms: either existing synonyms or proposals to create new synonyms.
65 questions
For use when discussing the appropriateness and use of comments
57 questions
should be used on posts relating to figures that are important to the Science Fiction and Fantasy:SE community who've recently passed away.
56 questions
For questions about the Meta site, scifi.meta.stackexchange.com itself.
51 questions
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For questions related to upvoting or downvoting posts, or the workings of the voting mechanisms themselves.
41 questions
held to choose moderators for non-Beta Stack Exchange sites.
39 questions
For questions about the moderation policies of the site and actions taken by moderators.
34 questions
For questions about the review queues: the section of the site where users with sufficient reputation can review others' posts, e.g. for possible closure or deletion, and suggested edits.
31 questions
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