I understand a little, because I trained and studied about this, but there are multiple reference patterns, confusion in implementation because each contains more detailed.
I understand a little bit because I had to attend and learn about this. But the reference is provided. The confusion in the adoption of a resolution for each format.
I understand a little, because I got into training and learning about it. But the use of references to a variety of forms. The confusion in the application for each form of resolution.