[Description] Contains compiled assemblies (.dll files) for controls, components, or other code that you want to reference in your application. Any classes represented by code in the Bin folder are automatically referenced in your application. For more information, see Shared Code Folders in ASP.NET Web Sites. [Folder] 
Bin
A p p _ B r o w s e r s
A p p _ C o d e
A p p _ D a t a
A p p _ G l o b a l R e s o u r c e s
A p p _ L o c a l R e s o u r c e s
A p p _ T h e m e s
A p p _ W e b R e f e r e n c e s
B i n