Reviewing Site Features and Site Collection Features
Site features and site collection features allow the site collection administrator to turn on and off a variety of features. These pages are fairly intimidating if SharePoint Server 2010 Enterprise is installed, so the site collection administrator should carefully consider which, if any, of these features to enable above and beyond the features that are enabled by default when the site collection is created. Some site features require that site collection features are enabled, and error messages will indicate when there is a prerequisite that has not been met.
For planning purposes, a list is provided of the standard site features provided by SharePoint Server 2010 Enterprise:
• Content ...