Özet:

The structural and functional difference of the language and speech’s lexical signs is paid attention to in the article. In the structure of a language sing the categorial character and homonymy of signs are of great importance; while in the structure of a speech sign the contents, sense and polysemy are very significant. The analysis and identification of the types of polysemy in the speech sign and the reference of it to any other language homonymic sign are important in the investigation of the speech sign. The key aim is to create of an effective model of a language’s lexical unit relevant to modern social cultural theories of communication, cognitive theories and informative mathematical theories of the model of the sign. The theoretical aim is to ground the structuredness of the person’s psycho-semiotic behavior and the determinism of psycho-social relations as a structural unity of psycho-linguistic, ethno-social and informative-mathematical theories.

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