There is no strange structure involved. Just some pages and links between them. Put all of the files in the root directory unless you actually have a good reason to do something else.

You aren't making much sense, but that is not so strange. Hard to explain how things look to blind people - that is us, us long as you refuse to fill in the box that says "Website URL". We may not be able to answer all your questions after visiting your index.html. But we may be able to ask the questions we need answers to in order to solve your problem.