Rating
A judgment by a rating agency as to the credit quality of a bond.
The lowering of a Rating by a Rating Agency. Lower Ratings indicate lower credit quality.
A judgment by a rating agency as to the credit quality of a bond.
The increasing of a rating by a rating agency. Higher ratings indicate higher credit quality.

Termination of the rights and interests of the bondholders and release of liens on the security upon final payment of debt service or deposit of guaranteed payment in an irrevocable escrow fund.