Characters and language symbols. Newspapers distinguish the importance of information mainly through written language symbols. Information is a collection of things and their attributes. Information is a processed data form, which is meaningful to the recipients and has practical or perceptible value in current or future actions and decisions. The definition of information is often too broad, and interpretation is often regarded as definition. Therefore, the definition of information needs to be standardized and standardized. The definition of "genus plus species difference" is a standardized model of information definition.