Question

a clue that helps the reader to understand a words meaning by using a comparison to connect the word to another word or idea is known as a clue. definition example explanation synonym

Explanation:

A synonym clue uses comparison (similarity) to connect a word to another word (synonym) for meaning understanding. A definition directly states the meaning. An example gives instances. An explanation elaborates. Only synonym fits the "comparison - connect to another word" description.

Answer:

synonym