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.
Microsoft Windows SharePoint Services provides the ability to restrict certain kinds of files from being uploaded or retrieved, based on the file extension. For example, a file with the .exe file extension could potentially contain code that runs on client computers when it is downloaded.