Common parking theory.
Parallel parking
Park parallel to curb in line with traffic.
Uphill curb
Turn wheels away from curb (standard tip).
Downhill curb
Turn wheels toward curb.
No parking zones
Hydrants, crosswalks, intersections, etc.
Handicap parking
Reserved for permitted vehicles.
Fire lane
Keep clear for emergency access.
Double parking
Parking beside another vehicle in lane — illegal.
Parking on hill
Set brake; proper wheel direction.
Loading zone
Short-term commercial loading only.
White curb
Often passenger loading (local).
Red curb
No stopping/parking (often).
Yellow curb
Limited loading (local meaning varies).
Abandoned vehicle
Long-term illegally parked car.
Parking distance from hydrant
Often 15 feet / local meters.