"Source-based" refers to an approach that emphasizes the importance of original materials or documents when gathering information. This method relies on primary sources, such as interviews, diaries, or official records, to provide firsthand accounts and insights. By focusing on these original materials, researchers can ensure the accuracy and authenticity of the information they present. In various fields, including history and journalism, source-based analysis is crucial for building a solid foundation of knowledge. It allows individuals to critically evaluate the reliability of the information and understand the context in which it was created. This approach fosters a deeper understanding of the subject matter.