Well, not besides stating that the US is the highest taxing nations in the world, and he wants to make it one of the lowest.
Donald Trump came up with a YUGE position paper on Ttxes a few months back. A very detailed report on what he’ll do is found here:
http://ontheissues.org/Celeb/Donald_Trump_Tax_Reform.htm
I thought like the GEICO commercial, “Everyone knows that.”