Cape, peninsula, or point(e)
natural=cape is too much of a catchall. A cape != peninsula != headland != point. We can do better. For example, here is a peninsula which is not a cape:
Suggest natural=peninsula for that instead.
A cape is generally taken to be the furthest-most point you have to sail around to get past some bit of convex coastline. Smaller headlands, points, and peninsulas within bays or lakes don't fit.
Here's an example of a point (Station Pt.) which is not a cape:
Suggest natural=headland for that instead.
- -- Hamish 26 August 2012