It is one of the most important books on Arabic grammar. Many grammarians have learned from this book and are still doing so. The book is arranged, classified, and numbered to make it easier for the reader and student to research, study, and read. Browse the book easily, whether vertically or horizontally, and use the advanced search feature to find chapters and issues quickly. You can add your favorite pages to your favorites list to easily access them at any time. In addition, the application allows you to control the font size and color for a comfortable reading experience that suits your needs. You can also activate night reading mode to enjoy reading in low-light conditions.  Application features: Easy-to-use user interface: Simple design and interactive user interface that makes browsing and reading fun and easy Advanced search: The ability to search for rules and terms easily and quickly Offline access: Download content for access at any time without the need for an Internet connection Bookmarks: Add bookmarks for important rules or points you want to refer to later Share: Share rules and explanations via social media or other applications Regular updates: Get periodic updates and new additions to improve the user experience.