Compare the way you read the frame as a whole with the way you read one small area of it. Look at the corners of the frame and notice whether they echo anything nearer the subject.

A person portrayed in the image collection
A gallery frame for a closer look
A portrait from the gallery sequence
A view from the featured selection
A featured study of a portrait subject
A composition from the portrait collection
A portrait with attention to the space around the figure
One of the featured portraits