The woodchuck came bumbling along the shoulder of Route 119, headed in the direction of Chester’s Mill, although the town was still a mile and a half away and even Jim Rennie’s Used Cars was only a series of twinkling sunflashes arranged in rows at the place where the highway curved to the left.
Q 1: What's the meaning of 'sunflash'?
sunflash, sunshine, sunlight
Q 2: Are they the same meaning? If not, what's the difference between them?