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 Corporation. The Upload page that is provided by Windows SharePoint Services 3.0 enables users to upload files to a Document Library. In addition to letting you select a file, the page contains an Upload Multiple Documents link and a check box for overwriting existing files, which is selected by default.