. 4, 9.
tongue; terminology; lingo, lingua franca. Language, dialect, jargon, vernacular refer to patterns of vocabulary, syntax, and usage characteristic of communities of various sizes and types. Language is applied to the general pattern of a people or race: the English language.
Dialect is applied to certain forms or varieties of a language, often those that provincial communities or special groups retain (or develop) even after a standard has been established: Scottish dialect.
A jargon is either an artificial pattern used by a particular (usually occupational) group within a community or a special pattern created for communication in business or trade between members of the groups speaking different languages: the jargon of the theater; the Chinook jargon.
A vernacular is the authentic natural pattern of speech, now usually on the informal level, used by persons indigenous to a certain community, large or small.