YOU SAID:

what does the letter a mean

INTO JAPANESE

その手紙は何を意味するのか

BACK INTO ENGLISH

What does the letter mean?

INTO JAPANESE

その手紙はどういう意味ですか。

BACK INTO ENGLISH

What do you mean by the letter?

INTO JAPANESE

その手紙とはどういう意味ですか。

BACK INTO ENGLISH

What do you mean by the letter?