As used in this part, unless the context requires otherwise, the following definitions apply:
(1) "Agreement" means any writing that is substantially prepared in advance of a consumer transaction and which a seller, lessor, or lender furnishes to a consumer for the consumer to sign in connection with that transaction.
(2) "Consumer" means an individual who borrows money or leases or obtains property or services under a written agreement.
(3) "Consumer contract" means an agreement for the sale, lease, or loan of money, property, or services primarily for personal, family, or household purposes.
(4) "Seller, lessor, or lender" means a person who regularly sells, lets, or lends in connection with consumer contracts.