d7fd79ae_tural_Elements_and_Constraints__Description
[Data Element] Resource [Example] Title of a movie from IMDb, A Flash movie from YouTube, Images from Flickr etc [Description] 
Any information that can be named is a resource. A resource is a conceptual mapping to a set of entities not the entity itself. Such a mapping can change over time. In general, a RESTful resource is anything that is addressable over the Web.
REST Architectural Elements and Constraints
Description