As used in this chapter, the following definitions have the following meanings: (a) Commission means the Metropolitan Transportation Commission created by Title 7.1 (commencing with Section 66500) of the Government Code. (b) Region means the region comprising the commission`s jurisdiction, prescribed by Section 66502 of the Government Code. (c) Bonds means indebtedness and securities of any kind or class, including bonds, notes, bond anticipation notes, and commercial paper.