Language
structured system of communication
ethnic language
Lingua
Substitutions and reforms of the Esperanto alphabet
written language
second language
pattern language
macaronic language
visual language
zero-marking language
jargon
used language
signed languages
languages of South Tyrol
alien language
sister language
unparliamentary language
wooden language
language of mathematics
Filipino
object language
New Persian
youth language
scientific language
baby talk
languages of China
colloquial language