In this article, Manas Patnaik will give you a clear idea about Resource Files.
Source: Manas's Blog
Resources are always a vital part for web application and here in Silverlight application too it plays an important role for creating Rich internet applications. In this context Resource means Images,audio,videos,object, which can be styles or datatemplete used for creating rich application. Silverlight does support various ways of storing resources and managing it. In this post, we will discover the different options available.