Open-end mortgage - A mortgage or deed of trust written to secure and permit advancing of funds in addition to the amount originally loaned.

Option - The right to buy, sell, or lease land at a fixed price within a specified time.

Owner’s policy - A title insurance policy insuring an owner of real estate against loss occasioned by defects or unmarketability of the owner’s title.

Ownership — The right to possess and use property to the exclusion of others.