As used in this subchapter, unless the context requires otherwise:
(1) “Lease” means the grant of use and possession of a motor vehicle for consideration, whether or not the grant includes an option to buy the vehicle;
(2) “Motor vehicle” means a device in, on, or by which a person or property is or may be transported or drawn on a highway, except a device used exclusively on stationary rails or tracks;
(3) “Security interest” means an interest in personal property or fixtures that secures payment or performance of an obligation;
(4) “Third party” means a person other than the actor or the owner of the vehicle; and
(5) “Transfer” means to transfer possession, whether or not another right is also transferred, by means of a sale, lease, sublease, lease assignment, or other property transfer.