This is a clear illustration titled "Application of Comparative Research Methods in History," which primarily explains the definition and overview of comparative research, types of comparative research, and steps in conducting comparative research. Each section is further elaborated on multiple levels. For instance, the definition and overview section introduces the basic concepts and methods of comparative research; the types of comparative research section explores different types of comparative research (such as horizontal comparison, vertical comparison); the steps in conducting comparative research section analyzes the specific methods and precautions for implementing comparative research. This illustration provides historians and comparative researchers with a comprehensive framework to better understand and apply comparative research methods.