This research discusses the Referral specified in the name knowledge by (al). And their differences
when the grammarians and the owners of rhetoric. It has been a team of them who see the specific referral
in the knowledge is specific in external reality. And another team, sees it divided into two sections: a
specific section in fact, and an unspecified section, but it is specific in mind. Then, depending on the
differences of these concepts, the sections of knowledge differed by (al). Then the research entered into an
important issue, which is when the name knowledge by (al) is Self-name or adjective name. Because the
entry by (al) on the noun self alone or attributes alone is different from entering them together. This
research has endeavored to simplify access to these issues using descriptive methods and easy examples.