1. office area: it mainly provides office space for various enterprises, including independent offices, office areas, meeting rooms and rest areas.

2. Business district: Located on the ground floor or the first floor of the building, it mainly provides places for business customers, including restaurants, cafes, supermarkets, banks and bookstores.

3. Conference area: it mainly provides venues for meetings, training and lectures for enterprises and institutions, including conference rooms, training rooms and lecture halls.

4. Parking area: generally located in the basement of the building or the parking lot nearby, providing parking services for enterprises, merchants and customers in the building.

5. Public * * * area: including halls, corridors, elevators and other public * * * places, providing public * * * services for enterprises, merchants and customers in the building.