The document discusses several conceptual frameworks for understanding domestic violence, including psychological, biologic, family systems, sociologic, feminist/intersectional, and ecological theories. It describes the ecological model as the most widely used currently. It also outlines the WHO's violence ecological framework, the power and control wheel from the Domestic Abuse Intervention Project, and the multicultural power and control wheel. Finally, it discusses the cycle of abuse and common reasons why victims may stay in abusive relationships.