portrait: artistic representation of one or more persons

studio: working places set aside for artists to work, the term is generally applied to workspaces used by artists creating fine art, particularly art dating from the 16th century to the present

boy: young male human

girl: young female human

bust: sculpture of the upper part (head, neck, and a variable portion of chest and shoulders) of the human figure

clock: instrument that measures the passage of time

curtain: cloth used to block out light