Under the influence of the lotus, their "altered perception" allowed them to attune and converse with the wild. This ever-changing phenomenon of mountains, rivers, forests, sky, animals, and people had meaning, which spoke to them and could be read to determine what needed attention.
Their intelligence gathering eventually led to geography--land picturing-- which evolved into cartography, map making. "Eye women" considered bringing the information back to Pharaoh vital for group survival.