User interface

Chat Windows
There are a few types of chat windows in your SWG Interface, each with its own function

Spatial
This is what you can see/hear in your character's immediate area. You can see what people whisper up close, or yell nearby.

Planet
Anyone on the planet you are currently on can chat in this window

Auction
Reserved for players wanting to sell/buy items.

GuildChat
The private chat of your Guild/Player Association.

GroupChat
Private chat with the other players of your current group.