a portrait executed in the subject’s usual environment, such as in their home or workplace, and typically illuminates the subject’s life and surroundings.

which in these types of photos it can reveal lots of things or conceal thing to the naked eye, such as the top second one at the top, as it could reveal that its a child working and and doesn’t look happy doing what he is doing. however the 5th one on the second row only shows a part of the photo, so could mean that its been cropped which is being concealed and it doesn’t reveal much about him except that he looks happy.