Rta is the Vedic concept of cosmic order, the principle that sustains nature and truth, later absorbed into dharma and Ishvara.

Sampradaya is the living transmission of Vedānta, ensuring the scriptures are unfolded with clarity and consistency through teacher–student lineage.

Nirguna Brahman is attributeless, infinite awareness — the absolute reality beyond qualities, identical with the Self.

Saguna Brahman is Brahman with attributes, known as Ishvara — the personal God, worshipped in devotion and meditation, provisional but indispensable in spiritual practice.

Anirvachaniya means indescribable — the world is neither ultimately real nor unreal, but provisionally real through the power of maya.

Manana is reflective reasoning upon the Upaniṣadic teaching, guided by scripture, to dissolve doubts after listening.