Looks like no one added any tags here yet for you.
National Debt
(33 tril.) The total amount of money a government owes.
Treasury Bills (Gov’t Borrowing)
Short-term bonds with maturity dates of 26 weeks or less, issued by the government.
Treasury Notes (Gov’t Borrowing)
Bonds with terms of 2-10 years, issued by the government.
Treasury Bonds (Gov’t Borrowing)
Bonds that mature 30 years after the issue, issued by the government.