Breve and Guillermo are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Breve and Guillermo's differentiating factor?In following section we will take a close look at what is Breve and Guillermo color, serving style, types and much more. First thing to know is what are the different types of Breve and Guillermo. Well, Breve types include American version of Latte while types of Guillermo are Espresso.