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The Global scope is the default scope for the cloud administrator that contains all elements and it cannot be modified. If you display the default scope, the resource columns are empty because it always includes all resources, so no resources are displayed.
An unlimited scope is any one of the following scopes:
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An unlimited scope is always at the top of the scope hierarchy, which means it cannot have a parent scope. An unlimited scope has new resources added automatically, so you will not need to modify it to include new elements. To create an unlimited scope for enterprises and/or datacenters, your user must have the appropriate unlimited scope.
You can create a scope hierarchy for sharing resources to tenants that are below an administrator's own scope in a hierarchy. So administrators can share VM templates and VApp specs with tenants in child scopes of their scope, but administrators manage only the tenants within their own scope.
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