1, directivity

Language has directionality, and the directionality of language makes the meaning description of language point to corresponding things and things. Such as: trees, people and superiors. The directionality of language is an acknowledged fact. For example, "person" can represent the real "person", but if we don't recognize that it means that "person" becomes another character, then the directivity of language will become another character.

2. Descriptive

Descriptive language is the embodiment of language meaning, and descriptive language is an important embodiment of language communication. The descriptive nature of language is influenced by the directionality of language. Such as: people/adults/adults, people/people, etc.

3. Logic

Language is a structured and regular instruction system. The logic of language is changed by directional description of language. For example: I come from China/I am like a China,1+1= 2/1*1=1,this is an apple/this is a car, etc.

Language is born out of the needs of life in a specific environment, so a specific environment will inevitably brand the language with a specific brand. In addition, language is a medium for people to exchange ideas, so it will inevitably have an impact on politics, economy, society, science and technology, and even culture itself. Language, a cultural phenomenon, is constantly developing, and its present spatial distribution is also the result of past diffusion, change and development. Therefore, only in the space-time environment can we fully and profoundly understand its relationship with the natural environment and the human environment.

Extended data

100 in the 9th century, the European comparative school studied nearly100 languages in the world, and found that some languages have corresponding relations and some similarities in some phonetic, lexical and grammatical rules, so they were classified as the same language. Because some ethnic groups have a certain correspondence and are grouped together, they are called homologous languages, that is, the so-called pedigree relationship between languages. There are seven major language families in the world:

Indo-European language family is the largest language family, which is divided into Hindi, Iranian, Germanic, Latin, Slavic and Baltic languages. The Indian language family includes Sanskrit, Hindi and Pali. Iranian languages include Persian, Kurdish and Pashto. Germanic languages include English, German, Dutch and Scandinavian. Latin includes French, Italian, Spanish, Portuguese and Romanian. Slavic languages include Russian, Bulgarian and Polish. The Baltic language family includes Latvian and Lithuanian.

Sino-Tibetan languages are divided into Chinese and Tibetan-Burmese, Zhuang-Dong and Miao-Yao languages, including Chinese, Tibetan, Burmese, Karen, Zhuang and Miao-Yao languages.

Altaic language family is divided into three major language families: Turkic, Mongolian and Tungusic. Turkic includes Uzbek, Uygur, Kazakh, Azerbaijani and Chuvash, Mongolian includes Mongolian and Daur, and Tungusic includes Russian Manchu, Xibe and Ewenki.

Semite language family is also called Afro-Asian language family. It is divided into Semitic language family and Chinese language family. The former includes Arabic and Hebrew, while the latter includes ancient Egyptian and Hausa.

The Dravidian family is also known as the Dravidian family. All languages in southern India belong to this language family, including Bihar, Telugu, Tamil, Malayalan and so on.

Caucasian languages are distributed in the Caucasus, and the main languages are Georgian and Chechen.

Uralic languages are divided into Finnish languages and Ugric languages. The former includes Finnish and Estonian, while the latter includes Hungarian and Mansi.

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