Understanding the origins of an art can be very difficult, even a kata, and the problem is that a kata is like a notebook, even when done well it is not like fighting. I study Chinese boxing now, Wing chun, and there are various styles in wing Chun , With kata done with the same moves appearing in different places within the kata with things added or things taken away, but essentially the art remains what it is and there are soft ways of doing things and hard ways of doing things. Also another thing to consider is culture, when you see very heavily Chinese influenced karate styles such as Uechi and Goju.how much of what they do is traditional Chinese or traditional Okinawan. The idea of Kihon,kata and kumite is a very good one..in my book Kihon comes first then kumite..and then kata, always start with the basics and outside your comfort zone.but I think it is the Okinawans more than the chinese who developed this idea.but there are many meetings of minds........usually in old okinawa only a couple of Kata would be taught or trained or practiced and this was the way in China also..however later this gave way to other thoughts and many kata where practiced.lots to consider and talk about..my personal practise involves all three aspects and other stuff hoju undo, meditation.hard to fit it all in.but I try