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Human language has syntax, a set of rules for connecting words together to make statements and questions. Language can also be changed, by adding new words, for example, to describe new things. Other animals may inherit a set of calls which have pre-set functions.
Language may be done by speech or by writing or by moving the hands to make signs. It follows that language is not just any way of communicating. Even some human communication is not language: see non-verbal communication. Humans also use language for thinking.
When people use the word language, they can also mean:
- the language of a community or country
- the ability of speech
- formal language in mathematics, logic and computing
- sign language for deaf people (people who cannot hear)
- a type of school subject
Universals of language
- A language has rules which are shared by a community.
- All human languages are based on sound and hearing, or in the case of sign language, vision. All the basic sound units, or phonemes, have this in common: they can be spoken by the human voice, and heard by the human ear.
- The sounds come out in a sequence, not all at once. This is mimicked in writing, where the marks are put on the paper or screen in the same sequence.
- The stream of sounds have little gaps between them, and come in bigger packages. We call the bigger packets sentences or questions or replies or comments.
- In most languages, English being one, the syntax or order of the words can change the meaning: "the cat sat on the man" is different from "the man sat on the cat".
- Words (which may be made up of more than one phoneme) divide up into two classes: content and non-content. Content words have meaning: nouns, verbs, adjectives, etc.. Non-content words are there to make the language work: and, not, in, out, what, etc. Grammar consists of studying how words fit together to mean something.
- All languages have:
- Most of the languages have a written form. Before the invention of audio recording, the writing system was the only way to keep track of spoken information.
- All languages constantly evolve. New words appear, new forms of saying things, new accents.
There are many more things in common between languages.
The capacity to learn and use language is inherited. Normally, all humans are born with this capability. Which language is learned by a child depends on which language is spoken by the child's community. The capacity is inherited, but the particular language is learned.
Children have a special period, from about 18 months to about four years, which is critical for learning the language. If this is seriously disrupted, then their language skills will be damaged. Older people learn differently, so they seldom learn a second language as well as they learn their native language.
Types of language
Mathematics and computer science use created languages called formal languages (like computer programming languages), but these may or may not be 'true' languages. Mathematics itself is seen as a language by many. Some people consider musical notation to be a way of writing the musical language.
Chinese is the language with the most native speakers in the world, but Chinese is not really a language. It is a close family of dialects, some of which are as different as Romance languages are from one another.
English is often called "the international language", or lingua franca. It is the main second language of the world and the international language of science, travel, technology, business, diplomacy, and entertainment. French had a similar status until the 20th century, and other languages had it at other times.
Some languages are made up so that a lot of people around the world can learn them, without the new languages being tied to any specific country or place. These are called constructed languages. One of the most popular of these languages is Esperanto, which is sometimes called "La Internacia Lingvo," or "The International Language." Another of these languages is called Volapük, which was popular about a hundred years ago but is much less popular now. It has mostly been replaced by languages like Esperanto, Interlingua, and Ido.
- Basic English
- English as a foreign language
- English language
- Historical linguistics
- Language education
- Language families and languages
- List of languages
- Second language
- Speech therapy
- Concise Oxford dictionary. p764
- "BBC Languages". British Broadcasting Corporation. http://www.bbc.co.uk/languages/guide/languages.shtml. Retrieved February 04, 2012.
- Scalise, Sergio; Magni, Elisabetta; Bisetto, Antonietta (eds) 2009. Universals of language today. Studies in Natural Language and Linguistic Theory, vol 76. Springer Verlag.
- Yuan Ren Chao 1968. Language and symbolic systems. Cambridge.
- Greenberg J.H. (ed) 1966. Universals of language. 2nd ed, MIT Press.
- Crystal, David 1995. The Cambridge encyclopedia of the English language. Cambridge.
- 850 million claimed by English Wikipedia (Chinese language) but without specific reference.
- Language (general) -Citizendium