What is language? Language is the fundamental and indispensable thing in human life. Language is a bridge of communication between people, the country or the world. Language is also linked to the culture of the country. In the world, there are many types of languages ​​that one can use to communicate. Language can be used to express oneself or understand others. Language is processed in many different places in the human brain, but particularly in Broca's and Wernicke's areas. Children usually become fluent by the age of three. The use of language is deeply rooted in human culture. (APA 6e, p. 205; Electronic References, p. 19) When you read, listen to a speech, sign, or speak, a network of thousands of neurons is activated in our brain. This provides insight into which brain regions have been suggested to participate in different stages of language processing. When we talk about “language,” people’s first reaction is spoken language. In fact, language includes written language, body language and lip language. Lip speaking is another action of watching the lips when talking to other people. It's a kind of difficult skill that requires a lot of practice, no one can teach people to use lip language. People who are hard of hearing may use dactylophasia or lip language to communicate with others. Sign language and eye contact are both part of body language. Body language normally uses the torso, arms, hands, fingers, feet, and legs (i.e., posing forcefully, leaning back in a chair or slouching, keeping your hands in pockets, do not maintain eye contact). We always use body language in our life, like shaking people's hands when they meet or saying goodbye or shaking when people shake hands. Body language is also useful in psychology; it is the first ...... middle of paper ...... a fully adopted modern vocabulary for English. Language is the most important communication tool allowing people to communicate in symbolic expression. People transmit culture through the linguistic achievements of human civilization. Language is an important characteristic of the nation. In general, each nation has its own language. Chinese, English, French, Russian, Spanish and Arabic are the major languages ​​of the world and are also the working language of the United Nations. Chinese is the most widely used language in the world; English is the most widely used language in the world. According to the German publication “Linguistics and Language Communication Tools Handbook”, indicates that the world has now identified 5,651 types of languages. Within these languages, approximately more than 1,400 types have not been recognized as a distinct language or have experienced decline or fall. amazing.