The approximately 3000 - 6000 languages that are spoken by humans today are the most salient examples, but natural languages can also be based on visual rather than auditory stimulus, for example in sign languages and written language.
Kiro-kiro 3000-6000 bahaso nan digunokan dek manusia kini ko adolah suatu contoh nan jaleh, tapi bahaso alami buliah juo badasarkan visual daripado rangsangan pandangaran, sebagai contoh pado bahaso isyaraik jo bahaso tulih.