Humans are always using language. Try to explain or understand language without using language. As I'm sure you already realize, it is virtually impossible to do anything without using language. If you aren't yet convinced, bear with me and perhaps the next few pages will be enough to at least make you ponder all the possibilities. The Promises of Language in Communication Language contains a lot of promise.
Language is the easiest and most effective form of communication.
Language can be used to create understanding, give advice, reveal truth, and clarify things. Language is aesthetical. Language is colorful and can be used to tell stories. Language can also induce, as well as communicate, emotion. All things considered, language is a, arguable the most vital part of human life.