You may be correct that in that the wording which is used to describe each, Fats, Oils and carbohydrates, so as to provide them to be different, as you may have pointed out them to be may be so as you have stated, but in Reality the Fats and the Oils may be a form of a Carbohydrate in the sense that it Takes an Alkaline Mineral to be able to Break down anyone of the Three types as mentioned!
For they all Three are a form of Complete Complexed Carbohydrate!