Downtown District
The introductory and clearest area teaches you how to use telephones, respect and city services.

Each district is a separate stage with its own economy, gangs, vehicles and a higher score target.
Original renders without copied game maps or textures

Industrial, Residential and Downtown District differ in road density, the character of their gangs and police pressure. This is an atmospheric depiction, not a copy of the map.
Original GTA HUB render · not a screenshot or an exact game map.The introductory and clearest area teaches you how to use telephones, respect and city services.
The more extensive residential areas change both routes and the available factions.
The final area raises the danger, score requirements and importance of heavy equipment.
Colours and the style of the environment help identify the gang before you come under fire.
Garages, weapons and save locations matter more than the shortest direct route.