أهمها

In a sentence

• توجد فوائد كثيرة، وأهمها صحة أفضل.

  There are many benefits, the most important of which is better health.

  Here, 'أهمها' is used to introduce the most significant element in a list or comparison.

• زار المدينة معالم سياحية عديدة، وأهمها الأهرامات.

  He visited many landmarks in the city, the most important of which are the pyramids.

  Here, 'أهمها' highlights the most notable item among a group being described.

• لديه عدة صفات جيدة، وأهمها الإخلاص.

  He has several good qualities, the most important of which is sincerity.

  In this sentence, 'أهمها' points out the key aspect or feature from a set.