Yep, really unclear. Tutorials could do with some more example.
I ended up making my own custom shortcode to get the current posts parent ID and return it to a view which get's the child posts of that ID. Props on the custom shortcode engine though works really well once you get the hang of it.
Tutorials on this site could use A LOT more work. They are written in a manner where everybody who reads them is left guessing and then being pushed from the free Types plugin to the purchasing the paid Views plugin.
Its a great plugin, very very powerful. If the tutorials were improved to back it all up, the support forums would have a lot less questions (at least from me! lol), and a lot more people would want to buy the plugin for sure.
Hopefully they're selling enough to make it worthwhile to improve them.