Of course, at first you think, what is this person talking about. What is a tree? You have no room to understand that or comprehend what a tree is. You don't even know what color a tree is or the shape it comes in or the height. You don't even know what the purpose of a tree is or how beautiful it can be. It is totally a foreign concept to you. It is totally beyond your level of comprehension and awareness.
Now, lets begin to go through the process that happens in the lives of many people. You begin to learn and grow. Your awareness increases and your knowledge grows in leaps and bounds. You start to discover things that had no consciousness to you. Things that were once not even seen or understood all of the sudden come into view.