안녕하세요
Hello
안녕
Well-being, peace, health
하세요
You do, do you?, please do
존댓말
Polite/formal language
반말
Casual/intimate/informal language
- 니다
Most likely polite/formal
감사합니다
Thank you
감사
appreciation, thankfulness, gratitude
합니다
I do, I am doing
여기요
Here you go