Preparing in the science of intonation, it is a book by Muhammad bin Muhammad bin Muhammad bin Muhammad bin Ali bin Yusuf, Abi Al -Khair Ibn Al -Jazari, and the book in the science of intonation, and it is the science that searches for Quranic words, in terms of giving letters their right and worthy, and the right of the letter is: its director and attributes That does not leave him, such as whispering and speaking out.