How does the author's use of the underlined words

create meaning?

After/next to the words it haves the meaning im pretty sure

By underlining the words, the author was able to lay more emphasis on the condition of the fisherman. He was desperate and frustrated.

Explanation:

An underline is a line drawn beneath words in a text to distinguish it from others within a sentence.

Underlines are used to emphasize words thereby drawing attention to it, clarify unfamiliar words, and set titles apart from other text in a document.