ABSTRACT
This research deals with a pleasant observation from the observation of the science of derivation, the mechanism of Ibn Duraid in the derivation of the flags, and the different root references to these flags, and highlights the approach of Ibn Duraid in this sermon
Methodology: The research proceeds on the path of the descriptive approach to the definition of space, space and time, and in some respects, analyzes linguistic derived from the tributaries of the book.
Axes and themes
1_ Derivation and Term: This section includes what is the derivation of language and terminology, types, and presence in ancient ways.
2 - Derivative references: This study deals with the root of the flags and references, and branch to:
A) Individual reference
B) Bilateral reference
T - triple reference