This is the 3095th most frequent Korean word.
yeah
The Korean word "예" (yeah) means "yes" or an affirmative acknowledgment in English.
Here, "그래" is used to express agreement confirming a statement made by another speaker.
그래, 내 생각도 같아.
Yeah, I think the same.
In this case, "응" is a casual affirmative response agreeing with or acknowledging a prior suggestion.
응, 괜찮을 것 같아.
Yeah, it seems fine.
Here, "네" is used as an affirmative response acknowledging correctness or agreement.