This is what I was thinking about. So, if You follow me, I shall explain what it is all about. I shall try to publish all my posts here in order to create a unitary document, that is aimed to help and enlight the reader that is looking for content, solutions etc... that cannot be found in bits and pieces published here and there in reversed logical order. Because of invisible matters that are there even if you do not see them. I shall publish my thoughts and questions in the order they came...