P+M +MM TMBF+PM  + ++  + M +++M +   S  +MP+M + M +          +++ +                EP+++               ++++++ FM+ +F+    +++     ++   +++++FM   +++  ++ +FM+   +++   +HGFM++

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)