How does the third nIrAjana (#100) correspond to the Creation function? I shall explain this now.
The waving of lights that is mentioned in the last shloka, the third nIrAjanaM of the whole work, has a specific reason. The Acharya says that the entire work is actually Hers, and therefore it is fitting, he says, to visualise the work itself as a nIrAjanaM to the goddess.
Mother Goddess created this universe out of Her own wish and imagination. In the same way though the poet may have created this work, the words are actually Hers and so She is the Origin for the work.