a working through of
Does the last sentence of the following text mean "artworks can be seen as dealing with traumas. The traumas that other people believe have more universal meanings"?
In an episode of the TV series Imagine on the theme of art and play, Adam Phillips, a contemporary psychoanalyst, suggested that the artist socialises personal trauma in the artwork, that artists transform something from childhood into a form other people know something about. The artwork can be seen as a working through of trauma that other people recognise as having a more universal meaning.