The isnād (chain of attribution) is not metaphorical. However, this statement indicates that for the emergence (nashʾa) of an existent to occur in the external world, it requires a muḍāf (a genitive construction, i.e., a possessor in an idāfa) of the type of an eligible or singular entity. This is because the universal emergence (nashʾa kulliyya, the manifestation of the entire cosmos) exists in the intellect.
...Every force that comes from that emergence—that is, all the spiritual and corporeal forces involved in the emergence of humanity (insāniyya)—is what is meant here. (In this context) there is no need to generalize the forces related to things separated from the human emergence (insānī nashʾa). For the aim here is to clarify the thing to which the analogy is made, and this is...