Russian is mainly used in Russia and other former Soviet member States. More than/kloc-0.40 billion people speak Russian as their mother tongue and nearly 45 million people speak Russian as their second language.
World languages refer to the official languages of the United Nations, namely Chinese, English, French, Russian, Spanish and Arabic. There are also German, Hindi and Portuguese. World language, that is, the international common language, many people regard the world language as a second language.
Language is the voice that conveys information, the most important communication tool for human beings, and the main expression of people's communication. Language is a way of communication between people, and communication between people cannot be separated from language. Although pictures, actions or expressions can also convey people's thoughts, language is the most important and convenient medium. People all over the world use different languages, so it is difficult to communicate with each other.
Different regions have different languages and dialects. Even in the same area, people of different ages are exposed to different vocabulary. Some languages or dialects can basically understand each other, but others are quite different.