Chat

Overview
Chat is to communicate with other, for example, someone asking for Allies!

Local
Local chat is where you can chat only within your province publicly.

Global
Global Chat is where you can chat to anyone, In any province, Publicly

Support
Support chat is public but is mostly use for new people and starters to learn more information, for instance someone asks how to build, then another person that's better at the game tells them how to build, and so on.