The application “The Elite of Thought in the Terms of the People of Athar” contains the text of the valuable book by Imam Ahmed bin Ali Ibn Hajar Al-Asqalani, who is considered one of the most prominent references in the science of hadith and its terminology. The book provides a detailed explanation of the terms used in hadith science, which helps students and researchers in accurately understanding the concepts of this great science. The application aims to facilitate the study of this important text by providing advanced technical features. The application includes an index that facilitates navigation between different sections and chapters, allowing quick access to the required contents. It also provides an advanced navigation system that allows smooth transition between pages, in addition to the feature of saving bookmarks to facilitate returning to important places. The application also provides zoom in and out feature for a comfortable reading experience that suits all users.