government bonds issued to fund public spending or manage national debt

A public or government-issued bond; the physical or digital certificate held by a creditor of a public debt.

a type of debt security that can be converted into a predetermined amount of the issuing company's equity or stock under specific conditions

A corporate bond that can be converted into shares of stock under specific conditions; often abbreviated as [[可转换债券|可轉換債券|ke3 zhuan3 huan4 zhai4 quan4]] or [[可转债|可轉債|ke3 zhuan3 zhai4]].