Treasury bill and Treasury obligations

Treasury bill noun - A short-term obligation that is not interest-bearing (it is purchased at a discount); can be traded on a discount basis for 91 days.

Treasury obligations and treasury bill are semantically related. In some cases you can use "Treasury obligations" instead a noun phrase "Treasury bill".

Treasury obligations noun - Negotiable debt obligations of the United States government which guarantees that interest and principal payments will be paid on time.

Treasury bill and Treasury obligations are semantically related. Sometimes you can replace phrase "Treasury bill" with "Treasury obligations", this phrases are similar.