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.
The SharePoint Store is a public marketplace that you can access directly from a SharePoint site where you can buy apps from third-party developers for personal or organizational use. An app for SharePoint is a small, easy-to-use, stand-alone application that performs a specific task or meets a business need.