How to understand that language is the most important communication tool for human beings

Language is a social phenomenon. It is interdependent with society and is a tool for people to exchange ideas and communicate. Without language, human society cannot be formed and society cannot move forward. ?

Language has no class character. Anyone can use it and has the right to use it. It serves the entire society. Whether they can speak and have their own language is one of the most fundamental differences between humans and other animals.

Other communication tools, such as text, flags, traffic lights, etc., among which text is also very important, but it is based on language and can only be used as an auxiliary tool for language. ?

Non-verbal means include facial expressions, hand movements, body postures, etc. In most cases, they play a communicative role along with language, and sometimes they can complete some simple communication tasks independently. Each person's accompanying movements are different, and there are often large differences between ethnic groups, but they can better assist language to produce certain expression effects.