Answer:
I think a thought is suitable answer.
I've never read this but I can tell you what to look for. Symbolism in literature is using a phrase or word to represent something totally different. It can sometimes be called "hidden meaning". It is usually a meaning that doesn't meet the eye but is very important to the story the author is telling.
Answer:
A road map
Explanation:
It shows citys but not houses, it has water but no fish.