<P> However, there are some types of nunation whose purpose is not to differentiate between nouns and verbs . Such types include تنوين ترنم (a type of nunation converted from an alif at the end of poetic couplets) and تنوين غالي (a type of nunation used to maintain the metre of a poem). </P> <P> An example of the first type in conjunction with al - is found in the following couplet of poetry: </P> <P> أقِلّي اللَومَ عاذِلَ والعِتابَن--وقُولي إنْ أصَبْتُ لقد أصابَنْ </P> <P> And an example of the second type in conjunction with al - is found in the verse below: </P>

What does the prefix al mean in arabic