The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus, often in the form of an approved ruling on an issue.
Discussion questions are the heart of your community. For example: Should a certain question be allowed on the site? For what reason did a moderator lock a certain question? Are said actions setting a precedent? Be sure to present your entire case and background information/data so the subject can be discussed fully.