Final answer:
The phrase is a metaphor for the highest achievement, comparing a preeminent accomplishment to the prominence of a crown in royalty.
Step-by-step explanation:
The phrase "To the chief intensity: the crown of these" can be interpreted in multiple ways depending on the context in which it is used. Considering the surrounding discussions of kings, crowns, and achievements in the provided references, the phrase is best understood as a metaphor for the highest achievement (Option A) that a person can reach, similar to a king's crown representing the pinnacle of royalty. This metaphor highlights the preeminence of an accomplishment, much like the way the crown is used as a symbol of ultimate authority and status in historical and literary contexts, emphasizing the splendor and significance of such an achievement.