Subscriptions tab shows your subscriptions in traditional 3-pane window structure. All your subscriptions are shown at the left handside of the panel in the folder hierarchy. Retrieved posts of selected subscription are listed at the top center panel, as shown below. And at the end of the chain, the last panel shows the content of selected post from those listed posts of selected subscription.
Toolbar of the subscriptions tab contains various buttons both for generic functionality and specific to selected subscription in the folder hierarchy. Here is the short description of those buttons in the toolbar.
If you like to start to check all your subscriptions for updates, use this button. Other than that it also provides two additional funcitons thru its dropdown menu. By using that menu, you can only check podcasts and cancel all running synchronization at the time.
When you cilck this button, Ziepod shows up a wizard to let you subscribe to a new feed. Clicking on its arrow opens up its context menu, as shown below, and shows all provided functions under that 'Add' button.
Other than these two generic buttons, there are other buttons to apply certain functions on selected posts among listed ones or selected subscription in the folder hierarchy. Here are those buttons:
Play: If selected item(s) in the list is a podcast episode then this button becomes enabled so that you can play that episode
Download: If selected item(s) in the list has associated enclosure file, then you can download it by clicking this button
Export: If associated file of selected item(s) are already downloaded, you can click this button to export those files into specific directory on your computer.
Delete: To delete selected items from the list
Sweep: To run post sweeper to sweep unnecessary posts inside focused subscription in the folder hierarhcy.
Options: Located at the right hand side of the toolbar, it provides various functions on listed posts thru its dropdown menu. For example, you can add listed downloaded episodes into the playlist or export all downloaded episodes of focused subscription.