What is RouterModule used for in Angular modules?

Short answer: RouterModule provides Angular’s routing functionality. Import it to define routes and use routing directives like [routerLink] and <router-outlet>. It configures navigation and URL handling in the app. Angular CLI & Build System

Real-world example (ShopNest)

ShopNest admin can be built in Angular with modules/components, services for API calls, and reactive forms for product edit.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.