Affiliate/Partner program – marketing instrument for uplifting sales and blanket distribution of the product.
Referral link – most often those are links, that are implemented to website code or other resources (apps, blogs, social media etc.) There’s also a possibility of affiliate widgets, that allows you to integrate referral code right into your website.
SaaS Reseller Program is a model of collaboration where a vendor offers revenue share to a partner for each installation he sends.
SaaS White Label Program is a kind of partnership where partners rebrand company white-label software and offer them to the clients.
Affiliate tracking is transactional analytics for each user who passed on your? Ref links. Most commonly it is displayed in your partner admin panel.