Look at how much room the frame gives the subject and what that space contributes to the portrait. Choose a portrait that holds your attention and take a moment to work out what makes you stay with it.

A study of a person within the image frame
A closer look at the portrait
A portrait view of a person
A frame from the gallery
A photo gallery portrait featuring a person
Included in the photo gallery
A study of framing in a portrait image
A featured image for closer viewing