Very interesting analysis of your picture. Now were you aware of all of that before you took the picture ? Or did it show afterwards when you had time to contemplate it ?
I aware of a lot of the things happening in the image as I was taking the photograph. For instance I was aware, of the boy's body and the formalism he was starting to create as he leaning on the bed. I was aware of the streak of light beaming on the wall, and the color of the background, and the darker tone blanket.
I was not aware how perfectly the light hit his shoulder, I was not aware or paying attention to the brightness of the sheet, which may or may not be a distraction, I was not aware of the pink shirt that is slightly behind him or in between, which I find a little distracting, but it is something I can live with; I know I can photoshop it out, but I don't feel that is appropriate though. I was not sure of my exposure either, this image was taken with Kodachrome 200, which can be a bit finicky. And, I just discovered recently, or noticed, I should say, the gray shadow the boy creates on the sheet blocking the light with his body. I am always amazed, how much I am beginning to see when I photograph, but even amazed more by how much I don't see, or how different the color looks compared to what it looks like photographed.
In general I see a lot of the formal elements, and when I am photographing I position myself in areas that will create a sense of layering, between foreground and background and wait. Sometimes I will wait for hours or return to the same place on another day, waiting for light and an interesting subject. I have more failures than successes, but it is all those failures that make my few successes so sweet.
Here is another example where I saw this enitre seen, the main subject of the pig, and waiting for my scene to unfold and to be photographed. I saw the people, anticipating there movement, but not really sure, and saw the light, and again was not sure if that would work, but my guessing and anticipation, I feel led to a successful photo:
http://unguided-tour.blogspot.com/search/label/Pork
I kept photographing and kept waiting for the dog, not knowing that whether it would cooperate with me or not, and waiting for the man to walk into position in between the pork vendor's rectangular thing.
Here is a link for the contact sheet of the images leading up to the final frame:
http://unguided-tour.blogspot.com/search/label/Contacts
For example, I like the following image:
http://www.yamasakiko-ji.com/20061217231855.php
If you tried to apply the rules of good photography, this photo is an abject failure in all respects.
However it succeeds at evoking a certain mood for me.
Maybe a simple rule for analyzing a photo could be "does it evoke a mood or sensation?" The only problem with that rule is it's far from objective.
I think your example above is wonderful. It may not have the formal qualities that I generally like, but I agree with you that this image evokes an emotion and mystery, which I think makes this image successful in other ways; plus art is subjective.
And Ansel Adams is another excellent example opposite of what we see above, where his work is so polished and so exquisite. I believe, he used formal elements and lighting, which created a sense of mystery that creates his narrative. Yet both examples, to me, anyway, are successful, one because of its imperfections, darkness and light; the other which is seems so unflawed.
Thanks for looking and reading,
Sisyphus