The multple-nuclei model contained 7 differing sections that all had separate functions:

• A central business district (CBD) is the commercial and business center of a city. In larger cities, it is often synonymous with the city's "financial district". The CBD is often also the "city centre" or "downtown". Innenstadt and Stadtzentrum. E.g. in Düsseldorf, there is a business district which is located around the famous High-Street Königsallee with banks, shops and offices. Kamppi in Helsinki
  
• Manufacturing & tarffic centre: Pasila
• Low-class residential: Kallio
• Middle-class residential: Töölö, Haaga
• Upper-class residential: Eira & Kaivopuisto in Helsinki
• Outlying business district: e.g. Kalasatama in the nar future
• Residential suburb - Kumpula, Käpylä

Kamppi: CBD, Eira ja Kaivopuisto: Upper-class residential (very expensive flats), new business districts: Länsisatama ("western harbour")and Kalasatama (fish harbour")


Residential suburbs: Käpylä & Kumpula (detached houses), industrial and traffic centre: Pasila (red).