Final answer:
Bonds are financial contracts used to borrow money. They are often in the form of long-term obligations that are expected to be paid after one year. Examples include corporate bonds, municipal bonds, state bonds, and Treasury bonds.
Step-by-step explanation:
Bonds are financial contracts that borrowers, such as corporations or governments, use to borrow money. These contracts specify the amount borrowed, the interest rate, and the time until repayment. Obligations that are expected to be paid after one year are often in the form of bonds or long-term notes. Examples of these bonds include corporate bonds, municipal bonds, state bonds, and Treasury bonds issued by the federal government.