ASL (American Sign Language)
A visual/gestural, non-written language with its own unique syntax and grammar based on hand shapes, body movements and facial expressions.
A language expressed through hands and body movements to express concepts rather than complete sentences. The grammatical structure is different than standard English.
- This definition is used in APCO/NENA ANS 3.105.1-2015 Minimum Training Standard for TTY/TDD Use in the Public Safety Communications Center which cites the source to be NENA Master Glossary of 9-1-1 Terminology NENA 00-001, Version 14, September 29, 2010