What is a bond? What is a bonds par value? Define term to maturity. What are coupon

Question:

What is a bond? What is a bond’s par value? Define term to maturity. What are payments and how often are they normally paid? What happens when investors buy a bond below par value? When should you consider investing in bonds?
Coupon
A coupon or coupon payment is the annual interest rate paid on a bond, expressed as a percentage of the face value and paid from issue date until maturity. Coupons are usually referred to in terms of the coupon rate (the sum of coupons paid in a...