(Potato) Chips are thin salty wafers in AmE and long rectangular things in BrE.
Crisps are thin salty wafers in BrE and nothing in AmE.
French fries are long rectangular things in AmE and probably also understood as such in BrE.
Burritos are a popular Mexican food-- basically smashed boiled beans wrapped in a soft tortilla, but there may be other things inside, like beef, chicken or pork.
I like 'em all.
- For Teachers