The VStation is the component that is installed under each rUser. The VStation is what will perform the playback of the scenario during the load test, without it the rUser will not perform the Scenario playback. The VStation is programmed to start automatically once the rUser is logged in.
rUsers: The “real user” accounts which exist in the Windows environment and are administered through AppLoader.
rUserManager: This is the component of Injector that is used to oversee the rUsers during Scenario playback.