It is also helpful to know the purpose for which the book was written and, if possible, the social, moral, and religious practices of the day.
عِلَاوَةً عَلَى ذلِكَ ،‏ مِنَ ٱلْمُفِيدِ مَعْرِفَةُ ٱلْهَدَفِ مِنْ كِتَابَةِ سِفْرٍ مُعَيَّنٍ ،‏ وَإِنْ أَمْكَنَ ٱلْعَادَاتِ ٱلِٱجْتِمَاعِيَّةِ وَٱلْقِيَمِ ٱلْأَخْلَاقِيَّةِ وَٱلْمُمَارَسَاتِ ٱلدِّينِيَّةِ ٱلَّتِي كَانَتْ سَائِدَةً .‏