The best way to describe a primary source is: A primary source is an original document or firsthand account that provides direct evidence about a topic or event. Examples include interviews, manuscripts, diaries, photographs, official documents, and artifacts that were created at the time under study.
The best way to describe a secondary source is: A secondary source is an analysis, interpretation, or summary of primary sources or events. These sources are created by someone who did not experience the event firsthand and often include books, articles, documentaries, and critiques that discuss or analyze primary sources.