The market for photographs: "Man - 60 years and older"

Photographs for sale can be either of specific individuals or "stock photos" of generic images. Here's a picture of me that seems to be both, judging from the keywords the photographer or seller, Richard Kalvar at Magnum Photos, has assigned to it (such as "Man - 60 years and older"):

Keywords: Davos–International conference–American (nationality)–Davos
–Keedup QC–Man - 60 years and older–One Person–Portrait–Professor–ROTH Alvin