Mention what is the role of Rails Controller?

The Rails controller is the logical center of the application. It facilitates the interaction between the users, views, and the model. It also performs other activities like

• It is capable of routing external requests to internal actions. It handles URL extremely well
• It regulates helper modules, which extend the capabilities of the view templates without bulking of their code
• It regulates sessions; that gives users the impression of an ongoing interaction with our applications