- Facts - Statistics or graphs
- Statements - Quotations or opinions from authorities or experts
- Examples - Comparisons, contrasts, graphs, case studies, illustrations, or predictions
- Explanations - Clarifications, definitions, sequence of events, causes and effects, or summaries
- Descriptions - Character traits, setting, action or events, or directions
- An example of a supporting detail in a story is a description of the character's clothing.
- An example of supporting detail in a newspaper article are sentences that answer the questions who, what, where, when, why and how.
- An example of supporting detail in a movie review are sentences that explain how or why the critic came to that decision: perhaps the acting was mediocre or the dialogue stiff and cliched.
Supporting detail is additional information that explains, defines or proves the main idea.