Why did Allah mention the daughters of the brother and the sister in verse 23 of Surat An-Nisa, but did not explicitly mention the paternal uncle and the maternal uncle in verse 31 of Surat An-Nur among those to whom a woman may display her adornment? And do the paternal uncle and maternal uncle fall under the category of "father"? And how do we reconcile between the two verses?

The paternal uncle and the maternal uncle are mahrams (unmarriageable kin), and most scholars agree on the permissibility of looking at them. There is no contradiction between Surah (definition) An-Nisa (4:23) and Surah An-Nur (24:31). Surah An-Nisa speaks about those forbidden in marriage, while Surah An-Nur mentions those to whom a woman may display her adornment. Surah An-Nur did not explicitly mention the paternal uncle and maternal uncle because they might fall under the category of "fathers," as the term "father" is sometimes used for the paternal uncle, as in the story of Jacob with Ishmael. It is also mentioned in the Hadith (definition): "A man's paternal uncle is like his father's brother," and "The maternal aunt is in the position of the mother." If the maternal aunt is a mother, then the maternal uncle is a father. It was also said that Allah limited the mention to those who are frequently present in the woman's home, or mentioned some mahrams to draw attention to the rest.