From the clear meaning of content and understanding the meaning of what is not understood, more understandable, and in addition to describing what is not understood yet, we know the thinking involved.
Meaning is clear from the contents, but also to understand the meaning of what is understood to be more understanding and also to explain what we do not understand yet how to think with.
From the content, meaning that clearly made to understand the meaning of what not to เข้าใจมากขึ้น, and in addition to explain what don't also let us know the thinking in.