Question

For the deaf, a person used the finger language /the sign language.

(Is this one correct? Which expression is correct, finger language or sign language? Thank you.)

Answer 1

The term is "sign language."

Answer 2

You could write it in any of these ways. Remove "the" in front of "sign language."

<i>Many deaf people use sign language.

To communicate with a deaf person, sign language works well.</i>