The document discusses different types of digital coupons, including discount coupons, loyalty programs, traditional discount coupons, code required coupons, printable vouchers, unique promotions, stamp loyalty programs, and perk loyalty programs. Each type of coupon has a main objective such as attracting new customers, retaining existing customers, or increasing sales. The document also outlines effective content to include for each coupon type, such as pricing details, dates of offer, and exclusions.