Affiliate

Affiliate It is a marketing model that the owner of the product/service (Advertiser) to other people or other companies. (Affiliate/Publisher) help promote products through special links. If someone clicks that link and buys/follows the conditions The owner of the product will pay the commission to the promoter, like being a “online broker” who doesn't have to have the product himself. Just help find customers for the owner of the product and get a share of profit.  

simple summary  Affiliate is that we are like "Friends help sell things" when the shop sells things. We take the link or billboard of that shop to tell. If someone clicks our link and buys things The shop will share a small amount of money for us. It's like we help merchants find customers. And he rewarded him.