地 Earth — the receptive power
Earth (地), the ground of the I Ching Three Powers (三才): the material and natural realm — form and nature. Its eight-fold is the semantic domain map; with Heaven and Human it completes the triad that covers all and forms the 64³ content-address cube.
地 Earth44 pages
the material & natural — form, nature; Earth receives and completes (hexagram lines 1–2)