What does verse 25 add to the unfolding episode?

Imruʾ al-Qays: A Guarded Tent, the Pleiades, Objection, and Dunes (Verses 23–29)

• A picture of the midday sun
• A night-time setting and a visual image of the sky
• Only jewelry on the beloved’s arm, with no sky imagery
• A report of sunrise behind the hills