Voucher: A voucher is a certificate or document that either allows you to purchase something or proves that you paid for something. A voucher is sometimes valuable..

Online Coupons: A discount code or number that can be redeemed for a financial discount or rebate when purchasing a product on a website.

Affiliate Marketing: A concept of performance-based marketing where you, the online store merchant, partner with online publishers to promote and endorse your products so they can send visitors towards your website. These online publishers get paid for every website visitor or every sale generated from their promotion.

Black Friday: Now very popular in Nigeria, it's the day that follows Thanksgiving Day in the United States and traditionally, starts the Holiday shopping season. Retailers typically offer promotions and major discounts on all products in their stores (both online and offline).

Cyber Monday: Cyber Monday is the term used to describe the Monday after Black Friday. As Black Friday is traditionally known for in-store discounts and promotions, Cyber Monday was created to encourage consumers to shop online.

Courtesy: www.proofdeal.com