I just started TaeKwon Do classes this week. I had a short brush with TaeKwon Do about 6 years ago but had to give it up at that time. Something that really perplexes me is that for patterns, my current instructor uses the term "kata" which, as for as I can learn is a Japanese word used in Karate. TaeKwon Do uses the term "hyeong". I have searched high and low on the web and I do not see evidence that this varies. My instructor says that "kata" is used in TaeKwon Do. He also stated that Cheon-Ji, which I learned long ago, has been phased out. Can anyone explain these things to me?