Fixed Assets is part of "Comprehensive Accounting" which is not available with the Community Edition.
The Community Edition is really just for Invoicing - Bills / Invoices / Payments. You may find Apps to provide more features at https://apps.odo.com
Yes, the truth is that the provided table is vague and until you try both versions you don't grasp it fully. Smart buttons for example are sometimes included and sometimes not.
There is no documentation on this info.