Role-based authorization controls access to application features, routes, and UI elements based on user roles, ensuring proper security and user experience. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented RBAC systems in enterprise Angular applications throughout my 12 years of frontend development since 2014. The most comprehensive approach combines route guards for navigation protection, services for permission checking, and directives for conditional UI rendering. This method provides layered security, prevents unauthorized access, and maintains clean separation between authorization logic and components.