Job Recruitment Website - Property management - What do the "* * * owned" part, * * used part and exclusive part within the scope of property management services mean respectively?

What do the "* * * owned" part, * * used part and exclusive part within the scope of property management services mean respectively?

The water and electricity costs of elevator stairwell, power distribution room, equipment room and garden belong to public parts and are shared by all owners.

If it is a property, their offices and so on belong to the exclusive part of the property and cannot be shared.