My name is XXXXX XXXXX I am working on the questions that you have asked. However, it will take me some time. You did not JUST ask one, but several, so in order for me to answer them correctly and as you requested, it will take me a little bit.
I thank you for your patiences.
After reading the article and then doing some other reading. The answers to each of your questions is infact in the article. To tell you otherwise, to repeat or parrot the information would be like taking something that is not mine.
If you are unable to understand the information that is in the article, I would be happy to explain it to you. However, the answer to each of you questions is in each of the numbered areas fo the article that you asked be downloaded and read.
That is the answer to your question.