Context menu of any subscription or container provides most needed functions that can be applied on focused subscription or container. For example, you can delete that selected item or run sweeper inside to remove unnecessary posts.
In order to open context menu of any folder or subscription, you need to switch to the Subscriptions tab in the Fullview mode of Ziepod. Then inside the folder hierarchy select the folder or subscription and then make a right click with your mouse over that selected item.
While shown context menu above is of subscriptions, context menu of a folder is shown above. As you can notice, these menus are almost identical, except some of the functions are renamed based on selectecd item. Another point to notice is that context menus of subscription and folder provides many functions, as shown in the sample screenshot below.