A thesaurs is a source used to look up synonyms of a word.
For eample, in the sentence, "I like bikes." you can use a thesaurus to find another word for the word "like" and say, "I enjoy bikes" or something similar to the nature!
He uses hypens to create shorter sections of sentences to make the passage seem more fast paced and tense when read
Answer:
The significance of Jack's mask in chapter 4 of Lord of the Flies is that it allows him to feel liberated from "shame and self-consciousness" as he embraces his savage nature without guilt or embarrassment. Hidden behind his clay mask, Jack is free to behave like a primitive, bloodthirsty savage.