Which word in this excerpt from act 1 of Eugene O'Neill's Beyond the Horizon reflects the theme of pursuing one's dreams?

What is the meaning of "full tide" as it is used in this sentence? before i could explain to her the differences of language in this world, she was embarked on the full tide of another subject. a long and involved argument an inaccurate representation a detailed and lively discussion an uncontrollable flood

What is the central idea of paragraph 1 of the story?

You often figure out what a word means by looking at the surrounding ideas, and this is also known as: using peripheral vision using common concepts using context clues using a dictionary