ذَكَّرَ shows the doubled middle consonant pattern (فَعَّلَ), which is the Form II derivation of ذ-ك-ر.

خبر is the predicate in a nominal sentence and provides information about the مبتدأ (subject).

جناس is the rhetorical device that exploits similarity in sound or form between words for stylistic effect.

“Is in the thick of the action” is the appropriate idiomatic equivalent conveying presence at the center of events.

امرؤ القيس is one of the well-known pre-Islamic poets traditionally included among the Mu'allaqat.

In يَؤْمِنُ the hamza is placed on a waw (ؤ) because of orthographic rules where the seat reflects the vowel and surrounding letters.

الطيب صالح is the Sudanese writer who authored 'موسم الهجرة إلى الشمال', a landmark modern Arabic novel.

كاتب follows the pattern فاعل and is the standard active participle of كَتَبَ.

قَلِق means 'worried' or 'anxious', so the synonym 'worried' (قلق) is correct.

لم is a negative particle that makes the following present-tense verb jussive, as in 'لم يذهبْ'.