If you provide more context, I can give you the exact lore you're looking for.
Elias, younger and behind the lens, laughed. "It’s water, Mara. It doesn't have a brain." sa.mp4
Elias realized then that the "sa" didn't stand for "Saturday" or "Salt Air" as he’d always assumed. It stood for . The video wasn't a memory of a day at the beach; it was the last thing she had left him—a reminder that we are all just things the world is currently holding, waiting to be reclaimed by the tide. If you provide more context, I can give