It allows your affiliates to recruit sub-affiliates, they also earn commissions when a sale is made using their sub-affiliates referral. You can view the network of affiliates and sub-affiliates in the Geneology (Full Network) section.
Set up the levels and commissions for the multi-level affiliate network.
There is also the playground option that helps in testing and learning how the network will work.
In the Settings section, choose whether to show the sponsor on the signup page and you can choose the commission calculation method for the level commissions.