Highlights from Nampil̤l̤ai's Vyākhyānam as documented by Vadakkuth Thiruvīdhip Pil̤l̤ai:
thōṛṛak kēdu avai illavan - He who is devoid of birth (utpatti) and demise (vināśa). This exemplifies the absence of ṣaḍbhāva vikāra (six types of changes).
udaiyān - The Supreme Lord who possesses all entities that undergo birth and demise, under His sovereign