Juz 16 of the Quran includes parts of Surah Al-Kahf (18:75 - 18:110), the entire Surah Maryam (19:1 - 19:98), and the beginning of Surah Ta-Ha (20:1 - 20:135).

In Surah Al-Kahf, the story of Moses and Khidr continues, highlighting lessons of patience, knowledge, and divine wisdom beyond human comprehension. This section also recounts the story of Dhul-Qarnayn, a righteous ruler who travels the world and builds a barrier to protect against Gog and Magog, symbolizing the protection of the faithful from evil.

Surah Maryam focuses on the lives of various prophets, emphasizing their unwavering faith and dedication. It narrates the miraculous birth of Prophet Jesus (Isa) to Maryam (Mary) and his role as a prophet, rejecting the notion of his divinity. The surah also recounts the stories of other prophets, such as Zakariya (Zechariah) and the birth of his son Yahya (John), showcasing divine miracles and the power of sincere supplication.

Surah Ta-Ha begins with a reassurance to Prophet Muhammad about the purpose of the Quran as a reminder for those who fear God. It then recounts the story of Prophet Moses (Musa), his mission to free the Israelites from Pharaoh's tyranny, and the subsequent trials he faces. This surah emphasizes the importance of obedience to God, the consequences of disbelief, and the eternal nature of God's guidance.

Overall, Juz 16 underscores themes of divine wisdom, faith, patience, and the importance of following God's guidance through the examples of various prophets.