Korean Sign Language

Short definition from Wiktionary

Proper noun

1. 1
   A language that uses hands, facial expressions, and other bodily behavior to communicate both concrete and abstract ideas; some signs are based on Korean words in South Korea. ISO 639-3 code: kvk.
2. 2
   A language that uses hands, facial expressions, and other bodily behavior to communicate both concrete and abstract ideas; some signs are based on Korean words in North Korea.