See the typical moving parts all at once in a handy graphic, coded as Essentials, Enhancements and Advanced.
@craigconstantine - Diagram of Podcasting Elements - should be positioned in the section called “About the Podcasting Guide” … I 
think maybe.
“in” the section? …do you mean “after that section”?
“After” that Section - SAME for Costs and Files.
All three sections have been added.