A distinction, particularity, or distinguishing feature.
A crisis or turning point; A situation that changes how the future will unfold.
A pattern or organizing principle that forms the basis of moral judgements.
A visible dividing line where two structures come together.
distinctness, focus.
acuteness or acuity.
the fineness of the point a pointed object.
pungency or acidity.
the cutting ability of an edge; keenness.
The product or result of being sharp.