Discount is nothing but an offer or an allowance that is given on a particular product. Manufacturers have got every right to change the list price and fix an offer on a particular product and sell it in a market. The main purpose is to increase short-term sales and to sell out of date products. It is usually given on products when they buy more than they need. For example consider a scenario where a customer needs only 2 jeans but there is a discount when he buys 5 so he goes for it.

Promotional codes are similar to vouchers and they are largely open to anyone. Some vouchers come only certain condition is met. These codes are usually displayed on the net along with the voucher pages. The main use is we can cut down offline shopping and we can purchase it online with the help of these codes through which we can avail a lot of offers and also win attractive coupons.

A voucher is nothing but similar to a bond which has the money value and it may be spent only under some conditions and on some specific goods. The most commonly used voucher is in educational, tourism etc. It is similar to a receipt that says that expenditure has already been made on a product. They are mainly used in tourism because they can make use of it at a specific time and at a specific place.