This is the 1442nd most frequent Korean word.
정진석
"정진석" is a Korean proper noun, typically used as a person's name.
Here, '정진석' is used as a proper noun, presumably referring to a person's name.
정진석은 빠르게 발전하는 산업 분야에서 중추적인 역할을 하고 있습니다.
Jeong Jin-seok is playing a central role in the rapidly growing industry.
In this instance, '정진석' is used as a name being highlighted for its commonality in a region.
정진석이라는 이름은 이 지역에서 꽤 흔합니다.
The name Jeong Jin-seok is quite common in this area.
The word '정진석' here is used to denote a political candidate, possibly participating in elections.