+++++ D +G+++   +F++   ++++    +PB+++S+P      +++++   ++S+MF+++F    +P++P++M++++  M+++++++ B +++ ++++G++H++++++    +++++ E++P+    +++  ++P+       +++++          +++

D - Depot. (place to repair ship, refuel ship, and buy extra fuel)
E - Exchange (place to buy goods)
B - Bank
F - Bar (food, beer, buy/sell)
S - System Parts
G - Guns Shields and Rapidheals
H - Hotel
M - Public Teleport (within city)
T - Tube Station (city to city)
P - Secure Parking lot
+ - Building (does nothing)