This is the 2959th most frequent Korean word.
체계
"체계" means "system" or "framework."
Here, '체계' is used to describe the organized arrangement or system structure.
이 시스템은 매우 효율적인 체계를 가지고 있습니다.
This system has a very efficient structure.
In this sentence, '체계' is part of an adverb to describe doing things in an orderly, systematic manner.
그는 체계적으로 일을 처리하는 방식을 선호합니다.
He prefers handling tasks in a systematic way.
'체계' here is used as part of an adjective describing a planned, organized approach.