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.
Questions about whether or not a given question or sort of question is on topic at Worldbuilding Stack Exchange.
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for use in questions pertaining to one question on the main site in particular.
For questions that ask about specific tags -- questions like "Is this tag useful?" "Should this tag be banned?" "Should one tag be merged with another?"
for general questions about questions. Answers should be applicable to the vast majority of questions. Do not use this tag for questions on a single question, use the [specific-question] t…
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keywords or labels that categorize and group your question with other, similar questions.
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For discussion about why a specific question was closed or about what constitutes a reason for closure.
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for questions about answers: how to answer, whether specific answers are appropriate, and so forth.
For questions about one of Worldbuilding.SE's topic challenges.
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For questions about changing a question, answer, comment, tag, or other post.
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For Meta questions asking for advice about asking questions on the main site.
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the place where users can get feedback on potential questions and answers. Apart from the Sandbox itself, this tag should be used for meta-questions about the Sandbox.
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For questions about Worldbuilding.SE's unofficial blog.
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Indicates policy related questions or comment. Usage should be limited to matters of site policy, and not the theoretical policies or laws of a model government.
for or about the moderators of Stack Exchange.
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For questions about the site's area of help and guidance pages.
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Use in relation to moderator elections.
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