Text A Lead-in What is language? conclusion: 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.Text A Lead-in What is language? Unit 10 Language Acq uisition conclusion: 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