Hizb 41 opens Juz 21 and is one of the busiest hizb divisions in the whole sixty-part scheme by sura count: it closes Al-Ankabut, carries the entirety of Ar-Rum, and opens Luqman, three separate chapters inside one hizb's four rub al-hizb quarters, a crossing rate this account has not seen since the earliest juz of the Quran, where the suras themselves are considerably shorter.
In tarawih recitation this hizb typically opens the twenty first night, and reciters moving between three suras of noticeably different character, closing polemic, historical prophecy, and a father's counsel to his son, inside a single sitting give this hizb an unusually varied texture compared to hizb divisions earlier in the cycle that stay within one or two suras at most.
Huffaz reviewing this hizb by quarter often use the marriage verse and Luqman's advice as the two clearest anchor points, since both are widely quoted independently of the recitation cycle and therefore already familiar to most listeners before they encounter this specific hizb in sequence.
Because three separate suras share this single hizb, huffaz reviewing it by quarter often draw a simple map of where each chapter begins and ends before attempting to recite the whole hizb from memory, treating the mapping itself as a distinct preparatory step rather than something the marks themselves make visible.