Sandarbhasūkti - part 5
25. Antardīpikā-nyāya
This nyāya is concerned with the lamp in a house. In the light of the same lamp, someone reads, someone writes, some others do other work. Thus the same lamp is useful for a variety of things. Likewise if something has multifaceted application then this nyāya is used to describe that. In the other two nyāyas called dehalīdīpa-nyāya, kākākṣi-nyāya, a thing has two applications. The specialty here is that it has more.