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.
keywords or labels that categorize and group your question with other, similar questions.
For questions about scoring a challenge or how to score a particular language
For meta questions pertaining to asking other questions, on main or meta.
Requests for help with, or discussion of, a single question on PPCG.
For questions related to guiding new users and helping them get accustomed to PPCG.
General questions about questions that have been closed because they are off-topic or otherwise do not meet the criteria defined in the FAQ.
For clarification of rules that apply to challenges if not mentioned by the author
either proposing or asking for clarification on winning criteria.
A question related to a new genre of challenge (for example, [code-golf], [popularity-contest], etc.)