Padārtha is a Sanskrit word for "categories" in Vaisheshika and Nyaya schools of Indian philosophy.
[3] Almost all of India's philosophical systems accept liberation as life's ultimate goal; it is the summum bonum.
[4] According to the Vaisheshika school, all things that exist, which can be conceptualized, and that can be named are padārthas, the objects of experience.
According to Vaisheshika, padārtha or objects of experience can be divided as bhāva (real existence) and abhāva (non-existence).
[3] These are: Nyāya metaphysics recognizes sixteen padārthas, the second of which, called prameya, includes the six (or seven) categories of the Vaiśeṣika school.