What role does the 'pages' directory play in a Next.js application?

The 'pages' directory in a Next.js application plays a pivotal role in defining the structure and navigation of the application. As a Full Stack Developer with extensive experience in developing scalable and maintainable web applications, particularly with Next.js, I've leveraged the power of the 'pages' directory to efficiently manage routing, which is a core aspect of any web application. The 'pages' directory uses a filesystem-based routing mechanism. This means that the file and folder structure within the 'pages' directory directly correlates to the application's route structure. For instance, a file named about.js inside the 'pages' directory automatically becomes accessible through the /about URL...