1. Current Status Window You can check your character's overall status, including HP, MP and EXP. 2. Mini-map You can locate your character's current position. Press Alt+R to activate Radar, then input the coordinate, the place would be marked on the map. 3. Chatting Window You can chat with other players using this window. Useful chatting tips. You can send your message to only one player, everyone, your party, your guild and so on. 4. Quick-slot Window You can setup frequently-used skills or items with this window. 5. Main Menu Various windows can be opened through main menu.