Notice where your attention goes when you shift your focus away from the center of the frame. Look at the darkest area of the frame and notice whether it anchors or redirects your attention.

A portrait in a gallery of image studies
A frame from the gallery
A portrait from this series of images
Included in the photo gallery
A portrait selected for the gallery
A featured image for closer viewing
A person pictured in the image collection
A portrait to view within the collection