I will give you an example...
Nam is a Thai girl
Nam was reading a book.
John entered the room.
He greeted Nam, and he said: Hello Nam.
Nam looked up and replied: sa wad dee ka, John.
John asked Nam: what did you say?
Nam: Oh, it was the normal Thai greeting.
John said to Nam: Sa wad dee ka, Nam.
Nam laughed... No, no, no... you make a mistake.
15:41 ICT
I want to know more about the role of Buddhism in the life of a normal Thai person.