The reason I'm asking this, is I've asked a couple of questions (really it was the same one clarified) trying to get help in the process that comes with readying oneself for an off the rails chronicle and having a "living world", but both times someone has basically said "There's an entire site for world building".
Now much like Unix SE (which overlaps with all 3 of the original SE sites and, Ubuntu SE) there is definitely overlap. But I do believe we can distinguish between questions that are ok here, and questions that belong there, by better defining "world building" and what it means in the context of the site(s).
So here's what I think the difference is (should I make this an answer?)
World Building in the context of the SE site, meaning that site is for, users who are attempting to create a universe. Universes like this include Star Wars, Game of Thrones, World of Darkness, Dungeons and Dragons. They could be the authors of fiction, video games, movies, etc. That site is more dedicated to people who are creating the "world's" we play in.
World Building in the context of this site is defined as populating the world of an existing universe. In role playing games worlds are only partially populated, there are usually some known denizens and locations, but the rest is up to the GM. For us questiosn about world building should be restricted to things specifically about populating existing universes. In some games I suspect this is more open, for example I wouldn't be surprised if some games allowed you to create a planet with variations on things like gravity. Said planet must still be within the existing universe though.
Am I on spot? if so could we perhaps clarify the tag?