[Tomisimo]

The definitions of enchiladas and burritos are extremely different in the US as compared to in Mexico.

Enchilada (US) - a smallish (8'' diameter) wheat flour tortilla rolled up with a filling (cheese, chicken etc), doused in red chili sauce. (usually)
Enchilada (Mex) - a small (4'' diameter) corn flour tortilla, toasted on a grill and covered with chili sauce, cheese, lettuce etc, served open-face; OR the same corn tortilla, dipped in chili sauce and served folded in half and topped with ground white cheese.

Burrito (US) - large wheat flour tortilla (10"-12" diameter) filled with a variety of fillings (beans, cheese, rice etc).
Burrito/Burro (Mex) - Non-existent in most areas. In some areas it is synonomous with "taco".

Taco (US) - a taco shell (hard, corn-based-- resembles a fried tortilla folded in half and open about an inch) filled with ground beef, cheese, lettuce etc.
Taco (Mex) - a soft corn flour tortilla, open-face, rolled up, or folded over, with any of about 3,000 possible fillings. "Taco/taquito dorado" is a rolled up, deep fried corn tortilla, with many possible fillings.