Final answer:
A leasehold estate is granted to a tenant by a lease agreement, which is a legally binding contract between a landlord and a tenant.
Step-by-step explanation:
A leasehold estate is a tenant's (lessee's) rights in real property granted to the lessee by a lease agreement. A lease agreement is a legally binding contract between a landlord (lessor) and a tenant (lessee) that grants the tenant the right to use and possess the property for a specific period of time. The lease agreement outlines the terms and conditions of the tenancy, including the rent amount, duration of the lease, and any restrictions or obligations on the part of the tenant.