Expanding/Hiding a Hierarchy
Click the plus icon next to an Object in the hierarchy, in order to view the next level down.
Click the minus icon next to an Object, in order to hide that level in the hierarchy.
You can have as many levels in your hierarchy as you wish, with as many different Object types as you wish.
If you click on a specific Object in a hierarchy, you will be able to view any information about it, such as any Metadata associated with the Object, as well as any other information. Below you can see an example of a 'Episode' with all of the information about it.