Unity is important to run things such as research labs, oil rigs or edicts. Unity can be increased by providing better services to your settlements or building a better housing. Unity from settlements is generated on monthly basis.
World Structures have a configuration window when selected on the {0} (1). You can select the {1} (2) that determines the rate of production but it also affects how many workers are required to work there and the {2} cost associated with it (3). You can increase the maximum {1} by upgrading the structure (4). In emergencies, you can load cargo to your ship when it’s present (5).
When you first discover a world mine, you must repair it before exploiting it. This is done by selecting the structure icon on the map and clicking {0} (1). The {1} will now have the option of loading the supplies necessary to repair that structure (2). Once loaded, they must be delivered by your main ship to begin the repairs.