In 10 volumes, «Explanation of the Meanings of Athar», a work on hadiths of rulings and evidence of disputed jurisprudence issues, by books and jurisprudential chapters, in which its compiler, Imam Abu Jaafar al-Tahawi, mentioned the traces reported from the Messenger of God, (saw), in the rulings that he imagines that some of them contradict each other and between its abrogated and restricted from its absolute and what It should work and what should not. The book explaining the meanings of antiquities is one of the reliable sources of the Prophet’s hadith.