The characteristics of codes

The term codes, or conventions, normally indicates the rules which are adopted by a human community, but it has also a wider meaning. 

A code can be defined as a set of rules that establish a correspondence between two independent worlds. The Morse code, for example, connects certain combinations of dots and dashes with the letters of the alphabet. The highway code is a liaison between illustrated signals and driving behaviours. A language makes words stand for real objects of the physical world. 

The difference between INFORMATION and MEANING implies two types of evolution 

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