Final answer:
A symbol is an object, event, person, or animal that has special meaning in a story and helps develop the theme.
Step-by-step explanation:
An object, event, person, or animal which has special meaning in the story that helps develop theme is called a symbol. A symbol is used to represent abstract ideas and concepts in a more concrete and relatable way. For example, a dove is often used as a symbol of peace in literature.
Learn more about Symbols in literature