An individual is that which exists as a distinct entity. Individuality (or selfhood) is the state or quality of being an individual; particularly of being a person separate from other people and possessing his or her own needs or goals, rights and responsibilities. The exact definition of an individual is important in the fields of biology, law, and philosophy.
Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.
Henry Drummond: Language is a poor enough means of communication. I think we should use all the words we've got. Besides, there are damned few words that anybody understands!
Inherit the Wind (1960 film), Jerome Lawrence and Robert Edwin Lee