Language is the ability to acquire and use complex systems of communication, particularly the human ability to do so, and a language is any specific example of such a system.The scientific study of language is called linguistics.esearchers on the evolutionary origin of language generally find it plausible to suggest that language was invented only once, and that all modern spoken languages are thus in some way related, even if that relation can no longer be recovered ... because of limitations on the methods available for reconstruction.