Langue is a municipality in the Honduran department of Valle.The town is located near the border of El Salvador and is a regional Hammock making center. Most of the town is made up of sharecroppers and day laborers. There are usually Mormon missionaries and Peace Corps volunteers in the town. ...
http://en.wikipedia.org/wiki/Langue
Langue (French, meaning "language") is a linguistic term used by Ferdinand de Saussure which describes language as a system of conventions and rules. This is as opposed to parole, which describes language in use.
http://en.wikipedia.org/wiki/Langue (linguistics)