A first-person narrative is a mode of storytelling in which a narrator relays events from their own point of view using the first person i.e. "I" or "we"
The best answer is that a linear array helps someone organize synonyms or antonyms by letting him/her organize words according to nuance of meaning. Nuance of meaning by definition is a slight difference in meaning.
Mount Everest attracted the author because it is the highest, the mightiest and has defied many previous attempts. It takes the last ounce of one's energy.