Board Thread:Naruto Discussions/@comment-4688597-20140903132501/@comment-4688597-20140904195717

Umishiru wrote: A easy way to under stand Yin and Yang is this: Yang manipulates function, Yin manipulates form. The Nara clan techs could use Yin to manipulate the shadow's form but use yang to give it additional properties such as solidity, binding, and such.

I like your idea but what do you mean by "function"?