👤
User
End Client
🌐
Browser
Chrome/Firefox
🔗
Domain
abc.com
🏢
LAN/WAN
Local Network
📡
Router
Gateway
🌍
ISP
Provider
🗺️
DNS
8.8.8.8
🖥️
Server
Web Server
⚙️
Nginx
Reverse Proxy
⚛️
React
Frontend UI
💻
Backend
Java/Python/Node
🎯
Business Logic
Services/Controllers
🗄️
Database
MySQL/PostgreSQL
🗂️
Files/Storage
S3, Blobs, etc.