hello:

to keep a note as my first class in korean language~
 

• 안녕하세요 (Annyeong-haseyo) – This is the most common and polite way to say "Hello" or "Hi." It's used in both formal and semi-formal situations.

• 안녕 (Annyeong) – A more casual and informal version of "Hello." It is used among close friends or people of the same age.

• 안녕히 가세요 (Annyeonghi gaseyo) – Used to say "Goodbye" when the other person is leaving and you are staying behind. It means "Go peacefully."

• 안녕히 계세요 (Annyeonghi gyeseyo) – This is said when you are leaving, but the other person is staying. It means "Stay peacefully."

• 감사합니다 (Gamsahamnida) – "Thank you," a formal and respectful way to express gratitude.

• 만나서 반갑습니다 (Mannaseo bangapseumnida) – "Nice to meet you." It’s a polite way to greet someone for the first time.