The @EnableWebMVC annotation is one of the most important aspects of configuring Spring MVC. With this annotation, you can define a broad range of web application behaviors, such as: setting up view resolvers, defining message converters, and adding interceptors. The annotation also allows you to set up a powerful controller layer by specifying base packages for controller classes, mapping servlet names to HandlerMapping objects, and even explicitly declaring controller classes. Furthermore, if you wish to enable more advanced features such as asynchronous requests handling or cross-origin resource sharing (CORS), you can make use of the @EnableAsync and @CrossOrigin annotations respectively. Taken together, these annotations allow you to create powerful yet lightweight web applications with minimal configuration. All in all, the @EnableWebMVC annotation offers the power necessary for controlling major elements of a Spring MVC application with relative ease.