What is the key difference between a 'personal best' and a 'world record' in swimming?
Personal best is a swimmer's own best time, while a world record is the fastest time ever recorded.
Personal best is an average of a swimmer's best times, while a world record is the fastest single time ever recorded.
Baroque art features strong contrasts, while Rococo art prefers more subtle transitions
Baroque art is generally larger in scale than Rococo art

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