An example of direct characterization from this text would be "Sally was hardworking during the school year and happy-go-lucky in the summer."
Direct characterization is when the author describes aspects of their character in a straightforward way. That can include adjectives, like "hardworking" and "happy-go-lucky" in the excerpt.
This technique differs from indirect characterization, which only allows the reader to deduce or interpret things about the characters through dialogues, actions, or reactions for example.