vsphere security guide explaination

Here is the vsphere security hardening guide.

can any one explain these three columns in details?

hardening is true and why

site specific settings is true and why false

audit setting is false and why false.

https://www.vmware.com/content/dam/digitalmarketing/vmware/en/files/xls/vmware-6-5-update-1-security-configuration-guide…