The document discusses the evolution and principles of social casework, primarily emphasizing the significant contributions of Mary Richmond in professionalizing the practice through her work 'Social Diagnosis.' It defines social casework as a method to assist individuals in achieving better social adjustment and personal development by addressing their unique problems through a supportive, individualized approach. The text outlines the essential stages of the casework process, which include intake, psychosocial study, diagnosis, intervention, and monitoring.