(Feminists need not take offence for this term contains, in this context, Female Principle Prakriti is immanent.
As the explanation is about things before creation some term is to be used ''He'; is used and She is not used because the import of the Female term is different.This will be clear as the explanation will reveal later)
The Purusha ukta describe the process of manifestation as Indian Philosophy does not use the term Creation, but only manifestation.
Creation involves bringing forth some thing new which has not been in Existence before.
As everything is Eternal there is no question of Creating something.
Contrary to what many belive the Pursh Sukta is not about Vishnu or Narayana.
Separate Suktam on these Deities appeat later as Narayan Suktam and Sri Vishnu Suktam.
While Narayana is an Amsa of Purusha, Visnu is an Amsa of Narayana.
As Lakshmi and Durga are.
Therefore to complete the Chanting one has to recite all the Five Suktas .
This is the actual Panchamrutha. not the dish we prepare and offer to God as an item to bathe Him with.
When some one says in the Pooja, whether in the Temples or Homes, Panchamrutha Snanam Samarppayami, the Five Suktas are to be chanted.
The Vedas have Four Parts,
