The following words and phrases when used in this act shall have, unless the context clearly indicates otherwise, the meanings given to them in this section:

“Agreement.” A contract or lease, or combination of both, or any other terminology used to describe the contractual relationship between the lessor supplier and the lessee dealer.

“Lessee dealer.” Any person, firm, corporation or association who leases from and enters into an agreement with a lessor supplier for the purpose of operating a gasoline service station.

“Lessor supplier.” Any person, firm, corporation or association, resident or non-resident, who leases real estate and the improvements thereon for use as a gasoline service station and who also enters into an agreement with a lessee dealer to supply the lessee dealer with gasoline, petroleum products and accessories necessary to the proper operation of a motor vehicle.