What types of classified information are there?

In information theory, information can be divided into:

According to its nature, information can be divided into grammatical information, semantic information and pragmatic information.

2. According to the state, information can be divided into objective information and subjective information.

3. According to the function, information can be divided into useful information, useless information and interference information.

According to the application department, information can be divided into industrial information, agricultural information, military information, political information, scientific and technological information, cultural information, economic information, market information and management information.

5. According to the nature of information carried by signals, information can also be divided into continuous information, discrete information and semi-continuous information.

6. According to the way things move, information can also be divided into probability information, accidental information, definite information and fuzzy information.

7. According to the content, it can be divided into three categories: news, information and knowledge.

8. According to sociality, social information and natural information.

9. According to the spatial state, macro information, meso information and micro information.

10. According to source type, endogenous information and exogenous information.

By value, useful information, harmless information, harmful information.

According to timeliness, historical information, current information and forecast information.

According to the carrier, there are written information, audio-visual information and physical information.

According to the nature of information, grammatical information, semantic information and pragmatic information.