请求帮助理解一个关于艺术的英语句子Certainly the value of an individual work of art can be affected by its size (bigger is better),condition,provenance and how recognizable it is,something often referred to as wall power.在这个句子中,something often referred to as wall power.这里的wall power是什么意思,怎么翻译这句话?

请求帮助理解一个关于艺术的英语句子
Certainly the value of an individual work of art can be affected by its size (bigger is better),condition,provenance and how recognizable it is,something often referred to as wall power.
在这个句子中,something often referred to as wall power.这里的wall power是什么意思,怎么翻译这句话?