As used in this chapter—
((1)) “Fund” means the Postal Service Fund established by section 2003 of this chapter;
((2)) ** .—** The term “Competitive Products Fund” means the Postal Service Competitive Products Fund established by section 2011; and
((3)) “obligations”, when referring to debt instruments issued by the Postal Service, means notes, bonds, debentures, mortgages, and any other evidence of indebtedness.