Resource (also known as a workload) is a data source, such as physical and virtual hosts, databases, mailboxes, websites and etc, that can be the subject of a protection plan.
From policies and applications perspective, resources serve as contexts to which policy rules or settings are applied and executed.
Policy is a data protection module that can be applied to resources and executed by the Cyber Protection agent. For a full list of protection policies and their settings, refer to Protection policy settings.
Application is an entity that represents a bound between a protection plan and a resource and provides information about their statuses.