Data source with repeater
On this page, you can see a list of news items displayed by the Basic repeater web part. Displayed data is provided to the repeater by a connected Documents data source web part, which is configured to retrieve CMS.News documents stored under the /News document in the root of the content tree.
Detailed information about data source web parts in Kentico CMS can be found in Kentico CMS Developer's Guide -> Development -> Web parts -> Data source web parts.