Look at the corners of the frame and notice whether they echo anything nearer the subject. Look at how the subject relates to the dimensions of the frame, from the space above to the space at either side.

A study of a person through portraiture
One of the featured portraits
A person pictured in the gallery collection
One image from the series
A portrait from the image collection
An image from the collection
A portrait image with a person as its subject
A still image from the featured gallery