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.

Meta questions about a specific question or questions on the main site
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should be used for questions that are related to promoting Writing.StackExchange, for example by creating a challenge or contest with the goal of prompting people to create more content in a …
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Policies about questions asking for critique. VERDICT: off-topic.
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the primary way users gain reputation. It also affects the ranking of posts.
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