Explain how context clues are used in the sentence“Their greates

Explain how context clues are used in the sentence“Their greatest fear was of a conflagration,since fire would destroy their flimsy wooden settlement before help could arrive”.
【正确答案】：Synonymy is used as context clue in this sentence. Synonyms or synonymous expressions are frequently employed to explain new words. In this sentence conflagration and fire are synonyms, so the meaning of conflagration is very clear.
【题目解析】：通过分析这些同义词可以借助已经会的词猜测不会的词的含义