“The Lessee has this day deposited with the Lessor a check for Nine Hundred Dollars ($900.). The' proceeds of said check shall be security for the faithful performance of and compliance with all the terms, covenants and conditions of this lease. It is expressly understood and agreed that, if the Lessee fail to comply with each of the terms, covenants and conditions hereof, or surrender or abandon the said premises without written consent of the Lessor, or if the Lessee be dispossessed therefrom, then and in any such event the sum herein deposited as aforesaid shall belong to the Lessor as part payment of the expense that the Lessor may incur for regaining possession of the said premises and redecorating, repairing and relet-ting the same, and the same shall not be considered as payment for any rent due, or to become due hereunder, or in any planner releasing the said Lessee from any liability to perform, the covenants of this lease. If all of the terms, covenants and conditions be ‘fully complied 'with by the Lessee, ‘ the said security shall be returned to the Lessee at the end of the period herein-before first mentioned" as the demised term.” ' ’