What does the matn of this example describe?

Ṣaḥīḥ li-Dhātihi: A Bukhari Example and Its Ruling

• A command to recite al-Ṭūr in every Maghrib.
• Jubayr hearing the Prophet's ﷺ recitation.
• Muḥammad ibn Jubayr reciting al-Ṭūr to his father.