the creation and aggregation of discrete, downloadable media files. Typically, audio files are created on a computer and then uploaded to a web server on the Internet. An RSS 2.0 feed with enclosure tags is then amended each time a new media file is published, with a URL linking to each enclosure.
J-Walk has made available the epitome of a podcast file. This is what podcasting is all about. Listen and learn.
(via Whole Wheat Radio Blog And Podcast)