[crux]

I came here to provide just those links. Not only are the rules of conversation written down, but they're often very heavily discussed and analyzed—even by people who aren't autistic.

And of course, the rules of conversation vary very widely across the globe. Of particular note is the rules of conversation in Malagasy, where to be polite is to be so oblique that in America folks would think you're being purpusefully rude.