This is the 17215th most frequent Korean word.
서울교통공사
Seoul Transportation Corporation.
Here, '서울교통공사' is used as the subject of the sentence, referring to the organization responsible for subway operations in Seoul.
서울교통공사는 지하철 운영을 책임지고 있습니다.
Seoul Metro is responsible for the operation of the subway.
In this sentence, '서울교통공사' is used as a possessive modifier, indicating that the service mentioned pertains to Seoul Metro.
서울교통공사의 서비스 개선이 기대됩니다.
Improvements in the service of Seoul Metro are anticipated.
Here, '서울교통공사' is the entity with which the collaboration is taking place, demonstrating its use as an organizational partner in action.