This is the 1145th most frequent Korean word.
발전
Development; progress; advancement.
Here, '발전' refers to the progress or advancement in technology.
기술의 발전으로 삶이 편리해졌습니다.
With the advancement of technology, life has become more convenient.
In this sentence, '발전' is used to describe the progress or improvement in a project.
그의 프로젝트는 큰 발전을 이루었다.
His project has made significant progress.
In this context, '발전' indicates the development or improvement of society.