https://confluence.netvizura.com/display/NVUG/Traditional+vs.+Flexible+NetFlow

A destination list is a list of internet destinations that can be blocked or allowed based on the administrative preferences for the policies applied to the identities within your organization. A destination is an IP address (IPv4), URL, or fully qualified domain name. You can add a destination list to Umbrella at any time; however, a destination list does not come into use until it is added to a policy. Reference: https://docs.umbrella.com/deployment-umbrella/docs/working-with-destination-lists preferences for the policies applied to the identities within your organization. A destination is an IP address (IPv4), URL, or fully qualified domain name. You can add a destination list to Umbrella at any time; however, a destination list does not come into use until it is added to a policy.
A destination list is a list of internet destinations that can be blocked or allowed based on the administrative preferences for the policies applied to the identities within your organization. A destination is an IP address (IPv4), URL, or fully qualified domain name. You can add a destination list to Umbrella at any time; however, a destination list does not come into use until it is added to a policy. Reference: https://docs.umbrella.com/deployment-umbrella/docs/working-with-destination-lists