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.
For questions about code golf challenges and/or submissions. DO NOT post code golf challenges themselves as questions here; those belong on the main site or in the Sandbox if you want to get feedback …
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.
For questions about using the Stack-exchange chat system
General questions about questions that have been closed because they are off-topic or otherwise do not meet the criteria defined in the FAQ.
Questions and discussion related to PPCG Meta itself, not just PPCG.
For clarification of rules that apply to challenges if not mentioned by the author
either proposing or asking for clarification on winning criteria.
For questions regarding code challenges and/or submissions
A question related to a new genre of challenge (for example, [code-golf], [popularity-contest], etc.)