The characters in a story are the individuals who drive the plot and engage the audience. They can be classified into various types, such as protagonists, who are the main characters, and antagonists, who oppose them. Supporting characters add depth and complexity to the narrative, often helping to develop the main characters' arcs. Each character typically has distinct traits, motivations, and backgrounds that influence their actions and relationships. For example, a character's personality may be shaped by their upbringing or experiences, making them relatable or intriguing. Understanding these characters helps readers connect with the story on a deeper level.