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.

Type to find tags:
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designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.
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You need help with the use of one or more of the site's features.
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For questions about the behavior or usage of tags, which are keywords or labels that categorize and group your question with other, similar questions.
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You have an idea for a new feature, or for a change to the existing functionality.
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Indicates you've found an erroneous or unexpected behaviour in the system that needs to be fixed.
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Indicates that a feature request has been implemented, a bug has been fixed, or another type of request has been processed.
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a plan or drawing produced to show the look and function or workings of a program, database, stored procedure, or other object before it is created or made.
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held to choose moderators for Database Administrators and other non-beta Stack Exchange sites.
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the process of migrating off-topic questions from a Stack Exchange site to another.
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For questions about the process of editing, how edits work, and other general inquiries about the edit system.
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actually due to the existing design of the system and is not considered erroneous behaviour.
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for questions about tag synonyms (how they work, who can create them, proposing a new synonym, and so on).
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the most frequently asked and answered questions on Meta.
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Besides gaining reputation with your questions and answers, you receive badges for being especially helpful. Badges appear on your profile page, flair, and your posts.
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the real time, stateful web chat that's a part of every Stack Exchange site.
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For requests to replace one tag with another existing tag. It also applies to requests that one tag should be merged into another, or simply abandoned.
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temporary "Post-It" notes left on a question or answer. They can be up-voted (but not down-voted) and flagged, but do not generate reputation. There's no revision history, and when they a…
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For questions about the flagging process, how flags are handled, etc.
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a style sheet language used for describing the look and formatting of a document written in a markup language.
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Indicates that a request (usually a feature request) has been considered, but will not be implemented. Generally speaking, a developer will leave a comment as to why, or the community will come to con…
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Indicates that erroneous reported behavior cannot be reproduced by the developers, or can no longer be reproduced by anyone.
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Indicates a post used for submitting and voting on Community Promotion Ads. For discussion on these ads, please use the [advertising] tag.
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