Basics

Talking
OOCly (Out-Of-Character) Communicating Within a Room ICly (In-Character) Communicating Within a Room

Channels
OOCly (Out-Of-Character) Communicating on Channels ICly (In-Character) Communicating on Channels

Bulletins
OOCly (Out-Of-Character) Communicating through Bulletins ICly (In-Character) Communicating through Bulletins

Radio
OOCly (Out-Of-Character) Communicating through Radio ICly (In-Character) Communicating through Radio

Mail
OOCly (Out-Of-Character) Communicating through Mail ICly (In-Character) Communicating through Mail