Real property includes land and all things permanently attached to it.
Ownership of real property includes the bundle of rights: possession, use, exclusion, enjoyment, and disposition.
Personal property consists of movable items not permanently attached to real property.
Personal property transfers by bill of sale, not by deed.
Fixtures are items that were once personal property but have become real property due to attachment or intent.
California uses the MARIA test:
Unless excluded in writing, fixtures transfer with the real property.
Trade fixtures are items installed by a tenant for business use.
Ownership interests of uncertain duration.
Possessory interests of fixed duration, held by tenants.
Leasehold estates are considered personal property in California.