Where is the Unity documentation for its own assets?

I'm still amazed that the developers have not put simple documentation for something this significant, ie the 3rd person prefabs/ethan that is part of the standard Unity import packs. Maybe I'm just disorganized and confused and can't find anything. The word "Ethan" is not even in the searchable documenation which is strange to me. Where is the documentation for the standard asset packs? Am I missing something? I understand there is still and transition and all, but it seems like it could be done in a short time, alot shorter than Shader Level with Mr. Mustachio.

 

The code is generally well-written and given as an example. In fact, figuring it out, using their documentation, is probably the intended/better way to go.

I personally can read their examples fairly easily. Just make sure you know what the variables "hook into" in the IDE/visual editor

 

Um, how do you "use their documentation" if the documentation in question is missing?