The document discusses the concept of reality and how it is portrayed or represented. It raises questions about whether art and science depict reality through mere surface appearance or ideal truths. It also discusses historical concepts of realism from Aristotle to 19th century realism and how realism developed to include ordinary people and contemporary issues. Technological developments like photography were also noted as influencing the portrayal of reality over time. The overarching message is that reality is a relative concept that is not fixed, and its depiction has evolved with technology.