This summary analyzes the document, which presents a semantic analysis of the English word "sharp" according to the prototype theory model. It explores the word's development over time from its original meaning of "cutting" through various literal and metaphorical extensions. The analysis traces 12 main senses of the adjective form of sharp using three methods: 1) a radial diagram showing extensions from the core meaning; 2) categorizing mechanisms of semantic change; and 3) a timeline showing the word's chronological progression and expansion. Examples are provided to illustrate each sense through history.