Thread:ThePrinceOfTheNorth/@comment-22439-20150211232527/@comment-104549-20150212024803

The two best places to start, then, might be the Editing policy and the Content policy. Content policy governs what you can put on pages you create; Editing policy governs what you can change on pages that aren't yours.

The Article guidelines provide (a bit) more depth about what the community generally expects in articles. If you're interested in all the various policies, they're here.

And yeah, most people who use the chat room plan it in advance; you don't see a lot of users lurking in there, waiting for someone else to come along.