Trust agreement: A written agreement in which a settlor, promise or debtor provides certain instruments or property to a trust agent that is held until an emergency or condition is met and then delivered to the addressee, promise or debtor. Colocation: Type of co-ownership of a property that entitles each tenant to full ownership of the property (unit of ownership), regardless of the proportional share of ownership; colocation does not include the right to survival. Servitude: Right or interest in someone else`s property; the right to use someone else`s land for specific purposes .B a right of way. Title: In the case of immovable property, the right or proof of the right of ownership. .