A pun is a play on words by using them in a different way. This literary device allows the writer to use a word in different forms by implying a different meaning.
A pun is used more often in a humorous way when a word is used to mean multiple things. This play on words allows the listener to feel funny yet still also gives a sense of correctness in what has been said.
For example, when someone says <em>"a happy life depends on a liver"</em>. So, liver here may mean the human liver, the organ, or simply someone who lives for every moment.
“The barometer of confidence soared.” and personifies confidence with the motion of soaring. This allows for the audience to comprehend that their confidence is strengthening and being lifted by comparing it to something relatable to human behavior.
