Here is a quick interview where Xingyi master Song Guanghua explains:
Another interesting comment that M Song made is that the 5 element fists can be practiced in different ways depending on the context. Specifically, he stated that, for each element, there is a performance version, a training version and a combative version. Thus, when comparing the performance of the 5 elements across styles, one must know which version you are seeing, otherwise the comparison is meaningless.
| Popular Religion in China|
Has a great overview of Popular Religion in China!
And if you haven't checked out Marnix Wells site it's worth a look!