In short, chorizo is a sausage - but not just any sausage. The magic is within the chorizo, it's the way these things are seasoned. They can be available in two forms: fully cooked and dried or fully cooked and semicured. Of course, depending on regions, country, and who you ask, the preparation or creation of a chorizo might vary.
MEXICO: When it comes to the Mexican version of a chorizo, they are prepare with fresh raw pork. It's seasoned with vinegar and chile peppers. Mexican chorizo is typically sold fresh and uncooked (although dry versions do exist).
SPAIN: The Spanish version of a chorizo is made with smoked sausage. These are seasoned with with garlic and pimentón , a smoked paprika. The sausage can either be sweet or hot. These chorizos can either be serves as tapas or added into main dishes. Yum!