The visible globe, according to mythological geography, is made up of seven concentric dvipas, which literally means "islands" but may also be rendered as "landmasses." Except for one, they're all named after plants.
Jambu ("Roseapple") dvipa is in the center, followed by Plaksha ("figtree") dvipa, Salmala ("silk-cotton tree") dvipa, Kusha ("kusha grass") dvipa, Krauncha ("curlew") dvipa, Shaka ("Teak") dvipa, and Pushkara ("blue lotus") dvipa on One of the seven seas (the saptasindhu) separates each of these regions from its neighbors, with each ocean made out of a different component.
As experience has shown, the innermost ocean is made up of salt water, while the ones outside it are made up of sugar cane juice, wine, ghee, yogurt, milk, and sweet water, respectively.
Mount Meru, which is likened to the central calyx of a lotus and is encircled by the dvipas as its petals, is in the heart of Jambudvipa (and hence the globe).
The physical universe is therefore seen as a symmetrical totality, with India (located in Jambudvipa's southern region) in its symbolic center.
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