I do not get what question you are trying to ask sorry.
I think you have them right
Brian save the pieces of aluminum from the <span>fuselage to be used by him in his stay in the forest. He could use it to signal airplanes hovering above the forest by finding sunlight. The light that would be reflected with the aluminum can catch the attention of possible airplane flying above him.</span>
Answer:
I think it means that she became a new person.