Explanation:
* Security policy recommendations: Are East-West distributed firewall (DFW) security policies in the application category12.
* Security group recommendations: Are VMs or physical servers whose traffic flows were analyzed for the time period and the boundary you had specified12.
* Service recommendations: Are service objects that were used by applications in the VMs or physical servers that you had specified, but the services are not yet defined in the NSX inventory12.
https://docs.vmware.com/en/VMware-NSX-Intelligence/4.1/user-guide/GUID-BA3B0D67-4AA8-439E-A845-4
