have and to hold

This is a section from our lease agreement. I'm not quite sure exactly what this means in a legal sense, but I was caught by the matrimonial language of the provision and thought I would share.

Quiet Enjoyment. Landlord hereby covenants that Tenant, upon paying Rent as herein provided, and performing all covenants and agreements herein contained to be performed on the part of Tenant, shall and may peacefully and quietly have, hold, and enjoy the Leased Premises
during the term of this Lease or any extension thereof, but no rights to air or light are granted.