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.
When adding Microsoft Office documents like Word, Excel and PowerPoint to SharePoint, metadata that is stored within those files can automatically be added to SharePoint metadata columns. This occurs for the default metadata columns mentioned, but it can also occur for custom metadata columns in SharePoint.