An external website that offers paid goods or services, with payment processing provided by GMBill. In the context of affiliate marketing, they are the site to which you refer your traffic, and from which you receive revshare for referred sales.
GMBill handles the payment processing, affiliate payouts, and accreditation of your referrals. Matters particular to a merchant’s affiliate program (e.g. program policies, content allocation, applications), should be taken up with them directly.