After entering the game, there are many buttons to choose from in the menu bar:


The most important buttons are:
– User Info
– Ship Info
– Mini Map
– Active Missions
– Chat
– Refining – We can improve the collected resources and use them to improve (not upgrade) our weapons and generators.
– Assembly – It is used to produce many items and to upgrade weapons and other items.
Star System – shows all maps in the game.
At the bottom of the screen there is a quick access bar where you can place your ammunition and special items:

Have a look on the game settings (cogwheel). There are many useful options there, some can only be activated if you have a Premium account.