◢ Buildings: Individual purpose-built structures.
◢ Colonies: Inhabited settlements on planets, moons, or asteroids capable of limited or full self-sufficiency
◢ Furniture: Interior decorations including opportunity for cover or ambush …
◢ Installations: Structures emplaced to provide untended or automatic operations such as weather tracking stations.
◢ Networks: Many structures coordinating form a structural network such as command and control systems.
◢ Outposts: Smaller inhabited settlements sustained by frequent resupply, such as temporary worksites or initial colony projects intended to grow to self-sufficiency over time.
◢ Satellites: Orbiting untended or automatic installations.
◢ Stations: Orbital outpost or colony structures.
◢ Traps: Hazardous defensive structures frequently found in the salvage derelicts.