Role-Based Access Control (RBAC) is a widely used framework in application authorization that assigns system access based on user roles, streamlining permission management and enhancing security by minimizing the risk of inappropriate access. It is particularly useful in scenarios like e-commerce platforms, where roles such as 'Customer', 'Sales Manager', and 'System Administrator' are defined with varying access levels, thus simplifying user rights management and ensuring users have only the necessary permissions for their job functions. The benefits of RBAC include ease of administration, improved security, compliance, auditability, scalability, and reduced complexity for users, although it faces challenges such as limited granularity, role explosion, and inflexibility in dynamic environments. Alternatives like Attribute-Based Access Control (ABAC), Relationship-Based Access Control (ReBAC), and Policy-Based Access Control (PBAC) offer more nuanced access control mechanisms but introduce complexity. Best practices for implementing RBAC involve designing a scalable authorization service, routine role reviews, adhering to the principle of least privilege, and using specialized tools to facilitate RBAC implementation. Despite its simplicity, understanding RBAC's limitations and exploring hybrid approaches can lead to more secure, efficient, and compliant systems.