This book is a jurisprudential dictionary in which the author refined the book "Al -Marab" and summarized it, and his rank according to the early origins, and in it the words that are mentioned in the books of Hanafi jurisprudence, control and explain their meanings, but he was not satisfied with that, but rather went beyond him to explain more language and flags of countries And the men, drawing the subject of his book from many springs: linguistic, literary, poetic, etc., protesting the Qur'anic verses, hadiths, and the sayings of the Arab imams, and the author developed the book by mentioning what happened in the origin of the "Arab" from the letters There is no alienation in several semesters of the court of assets.