The phrase "how many square feet is the largest cruise ship" translates to a noun, specifically a question. It inquires about the square footage, commonly a vital metric in assessing the size and capacity of cruise vessels.
Determining the square footage of the largest cruise ship becomes significant due to its implications for passenger capacity, onboard amenities, and overall comfort levels. Larger vessels often offer more diverse facilities, entertainment options, and dining venues, enhancing the guest experience.