Lān is the first of the Three Powers, the powers of the natural world, not just the concept of “gaia” but all of the forces of nature and the universe. Black holes and hurricanes, as well as life and death, the miracle of the natural worlds and physics/biology.
The hieroglyph comes from a crop plant, similar to wheat. The stalk, a leaf and the grain head at the top. The letter without diacritics is pronounced “la”.