Those areas in a common interest community reserved for exclusive use by a particular owner, such as decks, storage areas, or parking spaces, are known as

Limited common elements

Explanation:

Limited common elements are properties within a condominium which is common to the condominium but are limited to those who are residents of that assigned unit. Although the limited elements are assigned to specific tenants in a unit, these limited common elements are usually owned by the condominium community association not exclusively owned by the tenants.

Examples of these limited common elements are decks, balconies, storage areas, swimming pools, elevators, parking spaces, clubhouses and so on.

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