The document discusses how different social groups are represented in a movie about childhood bullying. It begins by describing how the movie depicts bullying starting around age 12 as children enter secondary school and form social groups. It then discusses how the movie drew inspiration from videos of childhood bullying. It analyzes how social class, gender, and the target audience are represented, such as through the bullies having scooters while the victim does not. Finally, it notes that while the bullying begins as childhood teasing, it escalates into more serious revenge and violence as the characters grow older.