Tags
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.
Questions about help pages of the site (https://superuser.com/help).
HTML links, generally those created within the network on questions, answers, or the site itself.
Questions about the meta site itself (meta.superuser.com)
about tags on the meta site
Questions about the migration of posts to another Stack Exchange site
Questions about current moderation policy and support about the way moderation works
New users are those users who may be new to the Stack Exchange Q&A format, and generally have a low reputation score, which starts from 1 at the time of registration.