A resource is any physical or virtual entity of limited availability that needs to be consumed to obtain a benefit from it. In most cases, commercial or even non-commerial factors require resource allocation through resource management.
Reference: http://en.wikipedia.org/wiki/Resources, retreived 2011-04-25
Questions with this tag discuss using and retrieving resources for user experience design and related tasks. You can also tag questions about dealing with resources in your user interface or application with this tag. However, please mind the FAQ - questions on software recommendations and link collections tend to be beyond the scope of this Q&A site, unless there is a tangible relevance to the user experience.