This document presents information on bonds. It begins with definitions of a bond, including that a bond is a long-term contract where a borrower agrees to pay interest and return the principal to holders on specific dates. The document then discusses characteristics of bonds such as par value, coupon interest rate, and maturity date. It also covers various types of bonds like zero coupon bonds, floating rate bonds, perpetual bonds, and others. In total, the document provides an overview of what bonds are and various bond types.