Question

the baseball team was on a camping trip in the woods. luca loved camping. mark had come along with the team, but the woods made him nervous.
luca said, \lets go find sticks for the campfire.\
mark froze. \but we already have logs.\
\sticks are important!\ luca said. \theyre a key part of starting the fire.\
which of these clues helps you understand what \key\ means?

Explanation:

The word "key" is used in the context of "They're a key part of starting the fire." The clue that helps understand its meaning is the word "important" which is a synonym for "key" in this context.

Answer:

The clue "important" helps understand what "key" means.