The side bar to the right contains the interface for creating and modifying trade routes, from top to bottom:
Most of this information can be filtered out using the buttons at the top of the window, to get a clearer view of your own empire.
Ships assigned to the currently selected trading route are highlighted by a white circle The map initially shows the following information, coded by player color: This menu is accessed through either the button on the main icon bar, the button in the info panel of a ship that is assigned to a trading route, or the key binding (F6 by default). Trading routes are managed in the Ships and Trading routes menu, displayed in the screenshot.