An intervening statement not related to the subject being discussed.
ex. saying (sallahu alayhi wa salam) after the prophet’s name while saying his name in a sentence.
ex. قيماً in surah kahf ayah two
قَيِّمًا لِّيُنذِرَ بَأْسًا شَدِيدًا مِّن لَّدُنْهُ وَيُبَشِّرَ الْمُؤْمِنِينَ الَّذِينَ يَعْمَلُونَ الصَّالِحَاتِ أَنَّ لَهُمْ أَجْرًا حَسَنًا ﴿٢﴾
[He has made it] straight (the Quran) , to warn of severe punishment from Him and to give good tidings to the believers who do righteous deeds that they will have a good reward