Sources modern dictionaries- equivalent study of selected models

The research aims to clarify the methods of modern scholars in dealing with the sources of lexical material, preferring some methods over others, and providing appropriate solutions for dealing with the sources in future dictionaries, This is done through a equivalent study of newly authored dictionaries: the dictionary of the body of the language, the intermediate dictionary, and the basic dictionary, because of their collective effort, and they were issued by linguistic academies representing the east, middle, and west of the Arab world.