你这个句子结构简单，“思想”较难。

While by most measures a standard supermarket,  a stone wall and a distressed picket fence channel the rough edged decor.

结构 = While （it is）, by most measures,  a standard supermarket, //  a stone wall and a distressed picket fence channel the rough-edged decor.

词汇：

channel 要引申为“诠释、传递出”之类，估计这个词典上查不到。

句子含义：

虽然总的来看它是一个标准的超市，但它的石墙、仿古的尖桩篱笆却传递出这种粗犷的装饰色彩。