No Flaming, harrassing, or assaulting another user. I.e Cyberbullying.
No abusing the posting of links to other sites.
No sockpuppeting, referring to having multiple accounts (without claiming on your user pages), voting yourself up with another account, evading a ban with another account. Remember, it's best to keep only a single account unless absolutely necessary.
No editing other users' pages without permission, including fixing mistakes.
No explicit or sex related subject matter, nor anything above young adult book content, (including chat and blog discussions).
No cussing at users in chat, however general cussing is allowed.
Swear words are not allowed in pages, but are allowed in blog discussions when appropriate.
Don't know anything about how to edit? Here are some guides that can be helpful for you: