Abstract: The theory of description has had a widespread and profound influence since first proposed by Russell. The direct source of this theory stemmed from a research made by J.S. Mill and G. Frege about the relation between reference and meaning. For the purpose of resolving philosophical problems like "existence", Russell defined the word "description" as propositional functions with accurate meaning and used it as a weapon to serve his philosophy. Although encountered some criticism, the guiding and philosophic...