Pages are the essential part of a Next.js Template. You can add or modify pages as per your requirements. You can find all of the template pages inside
Since Next.js supports File-based Routing, you can add subfolders and create pages inside it and it would work without any extra configuration.
Eg: You can access
website.com/company/careers if you created a careers page inside company folder like:
Dynamic pages are named with square brackets. eg:
[slug].js which is mandatory for next.js to work.