http://www.wisegeek.com/what-is-the-difference-between-a-burrito-and-a-taco.htm
a burrito is folded different than a taco
To be more exact, a burrito is rolled, where as a taco is only folded if it has a soft shell.
a burrito is a soft. and a taco is a hard shell
This is untrue. There are soft shell tacos.
http://www.ehow.com/how_2303949_make-soft-shell-tacos.html