Description: The ‘Router State’ in Angular is an object that represents the state of the router at a given moment, providing crucial information about navigation within an application. This state includes details such as the active route, route parameters, associated data, and navigation history. It is essential for managing navigation logic and allowing developers to access relevant information about the current location of the application. The ‘Router State’ enables developers to implement features like conditional navigation, route protection, and data loading before a view is displayed. Additionally, it facilitates the integration of components and services that depend on route information, enhancing the user experience by allowing smoother and more coherent navigation. In summary, the ‘Router State’ is an essential tool in modern web development frameworks, helping to manage the complexity of single-page applications (SPAs) and ensuring that developers can build robust and dynamic applications that effectively respond to user interactions.