Think about where you would start if you were drawing a simple outline of the composition. If there is a noticeable color contrast, see how it affects your reading of the portrait.

A portrait selected for a closer look
A portrait chosen for the gallery sequence
A portrait from this series of images
An entry in the gallery
A portrait selected for the gallery
From the portrait selection
A person pictured in the image collection
Part of the portrait gallery
A portrait to examine from edge to edge
A portrait to return to