What are the differences between a registered bond, a registered coupon bond, a bearer bond, and a

Question:

What are the differences between a registered bond, a registered bond, a bearer bond, and a zero-coupon bond?
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...