GotGarlic
Chef Extraordinaire
... as a new member asked about the other day, here's an interesting article on the basis of flavors in cuisines around the world - mirepoix, holy trinity, ,sofrito, etc.
All About Mirepoix, Sofrito, Battuto, and Other Humble Beginnings | Serious Eats
All About Mirepoix, Sofrito, Battuto, and Other Humble Beginnings | Serious Eats