The descriptions of the containers contain more of the kind of information you're looking for, it's a bit much to expect the caption to explain it all. It's as

The descriptions of the containers contain more of the kind of information you're looking for, it's a bit much to expect the caption to explain it all. It's as real world as it gets for now, the test suite should give you an idea. I will typically add comments where I feel the code doesn't do a good enough job of explaining itself. One step at a time. It's ok, I don't expect anything.