From http://www.w3schools.com (Copyright Refsnes Data)
The links in the "Element" column point to more information about each specific element.
| Element | Description |
|---|---|
| <category> | Optional. Defines one or more categories for the feed |
| <cloud> | Optional. Register processes to be notified immediately of updates of the feed |
| <copyright> | Optional. Notifies about copyrighted material |
| <description> | Required. Describes the channel |
| <docs> | Optional. Specifies an URL to the documentation of the format used in the feed |
| <generator> | Optional. Specifies the program used to generate the feed |
| <image> | Optional. Allows an image to be displayed when aggregators present a feed |
| <language> | Optional. Specifies the language the feed is written in |
| <lastBuildDate> | Optional. Defines the last-modified date of the content of the feed |
| <link> | Required. Defines the hyperlink to the channel |
| <managingEditor> | Optional. Defines the e-mail address to the editor of the content of the feed |
| <pubDate> | Optional. Defines the last publication date for the content of the feed |
| <rating> | Optional. The PICS rating of the feed |
| <skipDays> | Optional. Specifies the days where aggregators should skip updating the feed |
| <skipHours> | Optional. Specifies the hours where aggregators should skip updating the feed |
| <textInput> | Optional. Specifies a text input field that should be displayed with the feed |
| <title> | Required. Defines the title of the channel |
| <ttl> | Optional. Specifies the number of minutes the feed can stay cached before refreshing it from the source |
| <webMaster> | Optional. Defines the e-mail address to the webmaster of the feed |
| Element | Description |
|---|---|
| <author> | Optional. Specifies the e-mail address to the author of the item |
| <category> | Optional. Defines one or more categories the item belongs to |
| <comments> | Optional. Allows an item to link to comments about that item |
| <description> | Required. Describes the item |
| <enclosure> | Optional. Allows a media file to be included with the item |
| <guid> | Optional. Defines a unique identifier for the item |
| <link> | Required. Defines the hyperlink to the item |
| <pubDate> | Optional. Defines the last-publication date for the item |
| <source> | Optional. Specifies a third-party source for the item |
| <title> | Required. Defines the title of the item |
From http://www.w3schools.com (Copyright Refsnes Data)