Ṣaḍvidhārtha-Parijñāna: Praṇavārtha and the Sixfold Unity of Meaning (षड्विधार्थपरिज्ञानम् / प्रणवार्थपरिज्ञानम्)
पंच ब्रह्मसमष्टिस्स्यादीशानं ब्रह्म विश्रुतम् । पुरुषाद्यं तु तद्व्यष्टिस्सद्योजातान्तिकं मुने
paṃca brahmasamaṣṭissyādīśānaṃ brahma viśrutam | puruṣādyaṃ tu tadvyaṣṭissadyojātāntikaṃ mune
The collective (samaṣṭi) reality of the five Brahmas is renowned as Īśāna-Brahman. Yet their individual (vyaṣṭi) manifestation begins from Puruṣa and extends up to Sadyojāta, O sage.
Suta Goswami (narrating Shiva’s esoteric teaching as preserved in the Kailasha Samhita)
Tattva Level: pati
Shiva Form: Īśāna
It distinguishes Shiva’s Pañcabrahma principle as both the unified supreme reality (Īśāna as samaṣṭi) and the differentiated modes of divine function (vyaṣṭi), guiding the seeker from multiplicity to the recognition of one Pati (Lord) as the ground of all.
In Saguna worship, devotees contemplate Shiva’s fivefold revelation (often linked to the five faces/functions) while holding the inner unity as Īśāna-Brahman; the Linga is approached as the one reality in which these differentiated aspects are present without division.
Meditate on the unity of Īśāna while mentally invoking the fivefold aspects (Pañcabrahma) during japa of “Om Namaḥ Śivāya,” using the practice to move from outward attributes to inward oneness of Shiva-tattva.