Quiet Enjoyment
The right of a lessee (tenant) to use the leased property without interference from the lessor (owner).
Quiet Possession
The right granted by a mortgagee to the mortgagor to use the property without interference by the mortgagee until there is default. Also vice versa.
Quit Claim
In conveyancing, to release or relinquish a claim. In mortgages, a form of title transfer of ownership from the owner to the mortgagee. A default remedy.