Sutra:
173. idhilE thirumEniyaiyum guNangaLaiyum sollum.

Meaning:
In this nArAyaNAya term, His divine form and His divine qualities are told.

Sri PBA Swami's Sarartha Deepikai:
In this term which describes the recepient of the service, the divine form of the Lord and His divine qualities which are experienced through the service, are told.