keymaster? doorkeeper? the key, the key, dawn can't decide, a doorway, doors open to places, windows allow you to look in on things, doorways mark changes, travel from room to room, from one space to another, that are sometimes locked, which requires a key to open, so travel between the two rooms becomes free and easy, rider on the storm, besides opening locked doors, a key can lock an open door, so shutting off one room from another, until another key shows up, or a fireman knocks with the butt end of an ax, and so the door, and the key, and the travel between the two rooms