The show title: It's important to have a clear, concise name for your podcast. Make your title specific. A show titled Our Community Bulletin is too vague to attract many subscribers, no matter how compelling the content. Pay close attention to the title as Apple Podcasts uses this field for search. If you include a long list of keywords in an attempt to game podcast search, your show may be removed from the Apple directory. 

The description is text containing one or more sentences describing your podcast to potential listeners. The maximum amount of text allowed for this tag is 4000 characters. More info about the limit here.