This is a clear mind map titled "Victorian Era British Society," which primarily explains social structure, politics and reforms, culture. Each content is further elaborated at multiple levels. For example, social structure describes class divisions, family structures, gender roles; politics and reforms cover parliamentary system, extension of suffrage, government functions; culture involves literature, arts, educational achievements, and scientific development. These contents collectively reflect the complexity and diversity of Victorian Britain, revealing its significant characteristics in industrialization, urbanization, and social change.