1) Show consideration for each other
2) Keep the context of each category appropriate
That is the long and the short of it all. If you have any issues, contact a moderator.
Just one other thing... if you are going to consistently cause a mass of drama, well, I'll take a quote from GLADOS.
"You know, deleting Caroline just now taught me a valuable lesson: The best solution is usually the easiest one. ... So you know what? You win. Just go. It's been fun. Don't come back."
For those who want a longer and more explicit set of rules, here you go.
Keep it appropriate. Whatever you post should be appropriate to the category you post it into
No spamming, trolling, rick-rolling, flaming, or anything of the sort.
No 1337speak. Please utilize correct English (or whatever language is native to you).
Don't be a Grammar Nazi. Not everyone is perfect, be courteous about errors.