In Advaita Vedānta:
- The Absolute Brahman (Parabrahman) is unconditioned (nirupādhi), indeterminate (nirviśeṣa), and without attributes (nirguna).
- The phenomenal Brahman (Aparabrahman), on the other hand, is conditioned (sopādhi), determinate (saviśeṣa), and with attributes (saguna). This conditioned Brahman is referred to as Īśvara (God).
The other terms do not fit:
- Jīva (Individual self) and Ātman (Self) are aspects of the individual soul.
- Jagat (World) refers to the material universe.
Thus, the correct answer is Īśvara (God).