A book is one of the most important things that were classified in the science of endowment and the beginning, and its rarest, where we find that the books classified in this field are few, and the importance of this book is due to its author, Abu Jaafar Al -Nahhas, the Imam of the Arabian, the sea, the understanding in interpretation, readings, syntax, meanings of the Qur'an, etc., and in total the book includes grammatical and symptoms, Disagreements between grammarians, omitted letters, building envelope, grammatical terms.