delta.com 델타항공: inconsistent term 28

source: http://www.delta.com/content/www/en_US/traveling-with-us/where-we-fly/destinations/featured-locations/new-york-city/our-new-home-at-jfk.html target: http://ko.delta.com/content/www/en_US/traveling-with-us/where-we-fly/destinations/featured-locations/new-york-city/our-new-home-at-jfk.html “T4” reads three different spellings in the same page. Are they all different? 제4 터미널, T4, and 터미널 4