Fill 'er up mate
I promised you that this last page of the tutorial would be fun, and fun is what it will be. All you have to do is to go and create a whole lot of categories in each of your containeris. Surely you don't still need my help for this - go on, just do it! Those containers are empty, lad, so you need to fill 'em up.
When you're creating your categories, you should notice that the list of available containers is constrained by the settings that you applied in the previous page of this tutorial. For example, here are the containers you'll see when adding a new categoryi of type person:
Whereas here are the containers that you'll see when adding a new category of type category:
Bit different, eh? Once you're done creating categories, you can create a whole bunch of story nodes, if you wish, and assign your newly-created categories to them.
So that's how you use CCK node types with the category module. CCK node types are just one example, of course: you can use any node types in this way, from simple 'page' type nodes, to image nodes, to event nodes. I just chose to focus on CCK nodes, because they're the ones that offer the widest range of possibilities. Oh, and also because mentioning 'CCK' anywhere at the moment is guaranteed to attract hordes of Drupal-luvvin' readers.
Hopefully, this tutorial has tickled your imagination as to just what can be done using this new feature of the category module. The example that I walked through was quite basic - there are many more things that can be done by combining category with other node types, probably more than I've thought of at this stage. Have fun experimenting!