affiliate – the publisher/salesperson in an affiliate marketing relationship.
affiliate manager – a person responsible for managing an online affiliate program for an affiliate merchant.
affiliate marketing – revenue sharing between online advertisers/merchants and online publishers/salespeople, whereby compensation is based on performance measures, typically in the form of sales, clicks, registrations, or a hybrid model.
affiliate merchant – the advertiser in an affiliate marketing relationship.
affiliate network – a value-added intermediary providing services, including aggregation, for affiliate merchants and affiliates.
affiliate software – software that, at a minimum, provides tracking and reporting of commission-triggering actions (sales, registrations, or clicks) from affiliate links.
exclusivity – contract term in which one party grants another party sole rights with regard to a particular business function.
payment threshold – the minimum accumulated commission an affiliate must earn to trigger payment from an affiliate program.
return days – the number of days an affiliate can earn commission on a conversion (sale or lead) by a referred visitor.
super affiliate – an affiliate capable of generating a significant percentage of an affiliate program’s activity.
two-tier affiliate program – affiliate program structure whereby affiliates earn commissions on their conversions as well as conversions of webmasters they refer to the program.
see also:
Affiliate Marketing Discounts category at MarketingDiscounts.io 
Affiliate management software, affiliate marketing training, etc.
Affiliate Income Calculator (Advanced) at MarketingDiscounts.io
Not your average income estimator, includes growth calculations.