Subluxation: Partial dislocation of a joint. A complete dislocation is a luxation.
The largest number of items per content database that has been tested on SharePoint Server 2013 is 60 million items, including documents and list items. If you plan to store more than 60 million items in SharePoint Server 2013, you must deploy multiple content databases.
Although there are more advanced features for SharePoint content management (such as preservation holds, PowerPoint Automation services and so on), we feel the items mentioned above are worth getting to know first. The bulk of them began life in SharePoint 2010 and continue to be useful in SharePoint 2013.