The numbers assigned for Iranian history, literature, religion, etc., were too limited, and the diversity of topics was not recognized in the original edit ions. Translation Translation has nothing to do with developing or developed countries. It is a matter of different languages. Obviously, if the classification schedule is in the local language it is easier to use and its application does not require staff language expertise. DDC is translated into about thirty languages, many in use in developed countries.
Language barriers necessitate translation.
Most countries also expand related sections during the process of translation. Expansion of DDC in the Arab countries DDC has been widely used in most Arab countries. The national bibliographies of Egypt, Saudi Arabia and Jordan illustrate that DDC is officially used in these countries. The thought of expansion b egan in the second half of the twentieth century. The language and literature sections were the first to be expanded.