Within the tradition of Kashmir Shaivism, Tantrāloka stands as Abhinavagupta’s vast, independent synthesis of ritual, metaphysics, and spiritual practice. It is a massive, self-contained exposition of Trika Shaivism, and functions as a root text for the tradition. Although Abhinavagupta did compose shorter works on Tantra, such as concise presentations of Tantric principles, there is no shorter treatise by him called Tantrālokaṭīkā, nor did he write a commentary on his own Tantrāloka.

What is commonly referred to as Tantrālokaṭīkā (also known as Tantrālokaviveka or simply Viveka) is, instead, a later commentary on Abhinavagupta’s Tantrāloka. This commentary is attributed to Jayaratha, a successor in the lineage, who wrote several generations after Abhinavagupta. Its purpose is to explicate and clarify the often dense and allusive verses of the Tantrāloka, especially by explaining obscure passages and technical terminology, and by preserving interpretive traditions from the lineage.

The relationship between the two, then, is that of foundational scripture and indispensable exegesis. Tantrāloka provides the comprehensive vision of nondual Śaiva Tantra, while Tantrālokaṭīkā stands as a meticulous guide that unfolds the implications of that vision. For students and practitioners, the commentary functions as a key that unlocks the layered meaning of the root text, making the original work more accessible without altering its authority.