5. I do a branch of TaeKwonDo known as Ji-Tae please could you tell me what Ji-Tae means it's philosophy and what makes it different from other branches of TaeKwonDo. -

... Unfortunately we don't have any knowledge of your specific style at the moment. We are aware that many teachers form new lines of styles. Some are similar to previous ones but with different names. Others are a fusion of more than one martial art teaching or training approaches.
... However, we can tell you that Ji-Tae is a Korean kanji (pictogram) that refers to "earth". Its' meaning is a man standing on the ground with two feet, looking over the sky or "heaven". Such attitude represents the way of struggling for human life that is developed on the ground. Its philosophical concept reflects the belief that all living things come from and return to the earth, as the origin and termination of life.
... A poomse (form) required for grading to 6th Dan Black Belt in the The World Tae Kwon Do Federation is named "Jitae". It symbolizes the different aspects that occur in the human existence and its struggle, as well as the relationships of changes of all lifeforms with the earth.
... As soon as we learn more details about your specific style, we will get back to you.