++H+P         MT+++         ++ ++         +++++ +++H+   +B+++ FGS ++P++++++ ++HF ++P++ +B+++ ++P++ ++++E

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)