This Is My Faith - Al-fatlawi, Ali - الصفحة ١٩٠ - of the Noble Quran
of meaning.
Poetic composition: comprehensive style and unified composition.
In other words, eloquence is a well-expressed speech that is effective in persuading people. Fluency is a correct enunciation in a sense that there would be no ambiguity in a speech. Poetic composition refers to setting words together in a way that sound harmonious.
Anwar: Did mankind actually fail to come up with something similar to the Noble Quran?
Hasan: Yes, they did fail and they still fail to compose something similar to it or something that can dispute it, not to mention that the Prophet of Islam (PBUH) challenged all the disbelievers as well as the people of the Book in this regard. We need to remember that eloquence and fluency were of huge significance at that point in time and that the message of the Prophet (PBUH) refuted their superstitions and distortions of religions.
Anwar: I read that there were a lot of eloquent poets and speakers at the time when the Prophet Mohammad