How to classify information?

Internal storage: information stored in the brain.

external storage: notes, etc.

2. timeliness

short-term: news (such as property market, stocks, finance, information, etc.).

long-term: relatively stable information such as books, documents and archives.

3. Expression

Words: books, Internet, e-books, etc.

image category: symbols, pictures, etc.

audio and video category: audio, video, etc.

4. Knowledge dimension

① Establish a personal knowledge system;

A. Practical skills (solving practical problems)

B. General knowledge (nature, social sciences, logic, thinking)

C. Higher education (language, history, humanities, art, etc.)

D. Establishment of professional fields (economy, finance, politics and law, medicine, etc.)

②

a. communication circles in different fields.

B. Entertainment circles with different functions.

③ establish a personal media library;

a.Inbox (used to collect fragmentary information)

B. Note (arranged notes in Inbox)

C. Knowledge (themed notes stored in Note)

5. Degree of information mastery

① I know.

② I can use it.

③ flexible use.