Explanation: Punctuation and grammar only deal with structure and are completely independent of the choice of words, and lines are simply units of text whose length matters in poetry mainly. Diction (from where the word dictionary comes) is defined as the intentional choice of words to help convey a certain meaning or set a mood in a text.
The correct answer among the choices provided is the first option. When an author selects specific words to create a certain tone or mood, this is known as diction. Diction is dependent on the choice of words. It is also a manner of expressing ideas.
