Answer:
What surrounds the world, yet dwells within a thimble?
Being able to interpret the letters on this screen proves that you have this quality.
Slayer of regrets, old and new, sought by many, found by few.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
A box without hinges, lock or key, yet golden treasure lies within.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.