How to say sign language in English?
How to say sign language ("zeichensprache") in German?
How to say sign language ("langage des signes") in French?
How to say sign language ("lenguaje de señas") in Spanish?
How to say sign language ("linguaggio dei segni") in Italian?
How to say sign language ("标志语言") in Chinese?
How to say sign language ("수화") in Korean?