The bottom left side of the screen is chat panel, which is always shown. It's a great way to keep in touch with your friends in the game as it enables you to exchange messages with friends.
Use the first button to choose channels. You can choose a channel from the drop-down menu. The default channel is All.
Next to the channel selection channel is the input message box. Click the Send button or press Enter to send your message. Sensitive words will be replaced with *. You can use the direction key ↑ to check up to 10 messages you send.
There're eight panels, which are All, Current, Clan, Team, World, Nation, Private, System.
All: Shows all messages;
Current: Shows all messages of the current channel;
Clan: Shows messages of the clan;
Team: Shows messages of the team;
World: Shows messages of the world channel;
Nation: Shows messages of the nation;
Private: Shows private messages;
System: Shows all system messages.
The "+" and "-" buttons can be used to expand or hide messages. The window can display a maximum of 22 lines of messages and a minimum of 4 lines of message.