what is it called when you use a word to mean another word

what is it called when you use a word to mean another word. There are some references to what is it called when you use a word to mean another word in this article. If you are looking for what is it called when you use a word to mean another word you've came to the right place. We have posts about what is it called when you use a word to mean another word. You can check it out below.

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