- Restaurant
- User
- Deliveryman
- Command
- Product
- Location
- Data (aici se retin datele globale: lista de restaurants, users, deliverymen etc.)
- ReaderClass (aici se afla functiile de citire)
- Service (functiile utilitare)
- Create user
- Remove user
- Create restaurant
- create delivery man
- list restaurants
- list users
- update profile
- list delivery men
- list command history for a user