The Avatamsaka vision unfolds a cosmos centered on Vairocana Buddha, whose realm is identified with the very fabric of reality itself. This is described as the Dharma realm (dharmadhātu), the ultimate field in which all phenomena arise and interrelate. Vairocana’s Buddha land is not a separate heaven but the totality of worlds seen as the adornment of the Buddha’s body, a pure land that pervades all existence. Within this overarching field, the Lotus Treasury or Lotus Store World appears as a central cosmological structure: a jeweled, lotus-like world-system whose petals contain countless other worlds. In this way, the primary Buddha realm is both a specific pure land associated with Vairocana and, at the same time, the all-encompassing reality in which every other Buddha-field is embraced.

Within that vast framework, the sutra describes innumerable Buddha-lands (buddhakṣetra) extending throughout the ten directions. These include well-known pure lands such as Sukhāvatī, the realm of Amitābha, alongside many other perfected realms established by different Buddhas through their vows and merit. Each Buddha land possesses its own assemblies, adornments, and modes of practice, yet none stands isolated; they coexist as interpenetrating dimensions of a single, boundless cosmos. The image of a garland or network of world-systems, each complete with its own Mount Sumeru, continents, heavens, and underworlds, suggests a universe where microscopic and macroscopic realms mirror one another, and even an atom can contain immeasurable worlds.

The Huayan tradition, drawing on this sutra, highlights the principle that all these realms mutually interpenetrate without obstruction. This is expressed through the imagery of the Jewel Net of Indra, where each jewel reflects all others, symbolizing how every phenomenon contains and reveals the entirety of the cosmos. The same logic is applied to time: past, present, and future Buddha realms are portrayed as coexisting rather than strictly sequential, and vast kalpa cycles are nested within the larger vision of the Dharma realm. The Tower of Maitreya in the Gandavyuha section serves as a particularly striking visionary structure, gathering within a single edifice all of space and time, and thus making visible the teaching that one is all and all is one.

Alongside these external cosmological structures, the sutra also presents an inner cosmology in the form of the ten stages (bhūmis) of the bodhisattva path. Each stage is depicted as a distinct “realm” of realization, in which the bodhisattva’s understanding of the Dharma realm becomes progressively more expansive and subtle. The ten Dharma realms—ranging from hell beings up to Buddhas—are likewise treated not only as external domains but as modes of experience that mutually contain one another. In this way, the Avatamsaka vision does not merely catalogue worlds; it portrays a living, dynamic universe in which spiritual development, cosmological structure, and the interdependence of all phenomena are inseparable.