SafeControl list(A list that identifies which assemblies and types are allowed to run on Web Parts pages in a server farm. The list is stored in the web.config file for the server farm)
PivotTable list(A Microsoft Office Web Component that allows you to create a structure similar to an Excel PivotTable report. Users can view the PivotTable list in a Web browser and change its layout in a manner similar to an Excel PivotTable report)