a document which contains summaries of stories, event descriptions, news items or other sorts of web content, containing also a link to the original story
a low-bandwidth, stripped down version of a web site that readers can subscribe to in a feed reader or that developers can parse and manipulate for their own use
Web content delivered in an XML-based format, which is designed to be compiled, shared and republished by other sites and blogs (web logs). This may include news, event listings, headlines and excerpts from discussion forums.
A web feed is a data format used for serving users frequently updated content. Content distributors syndicate a web feed, thereby allowing users to subscribe to it. Making a collection of web feeds accessible in one spot is known as aggregation.