🎯 What You’ll Learn Todaybr ✅ What is Backend Development?br – Backend ka role in web applicationsbr – Frontend vs Backend differencebr – Real-life examples of backend usagebr br ✅ Introduction to Node.jsbr – Node.js kya hai?br – Why developers prefer Node.jsbr br ✅ Setting Up Environmentbr – Install Node.js & npmbr – First Node.js program (console.log("Hello Backend!"))br – Understanding package.jsonbr br ✅ Core Conceptsbr – npm (Node Package Manager) kya hota haibr – External libraries install karna (Express ka intro)br – Basic backend project structurebr br ✅ Hands-On Practicebr – Apna first Node.