Once your account has been approved and you've logged in for the first time, you'll be greeted with the welcome screen.
Once you have shows, they will fill this space. For now, you can either create a new show by clicking the "Create a show" button or import an existing show from your RSS by clicking the "Import a show" button.
The options are:
Create a show - Predominantly for new podcasters, but also useful if you want to create a new show from scratch. Learn how to add a new show.
Import a show - If you're already a podcaster and want to simply import your podcast from another provider. Learn how to import a show via RSS feed.