What are global objects in Node.js?

Short answer: Global objects are available in all modules without the need to import them. Examples include: __dirname: Directory name of the current module __filename: Full path of the current module global: Similar to window in browsers process: Provides info about the current Node.js process setTimeout, setInterval, etc.

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

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.