अगर आपने पहले कभी QR Code के बारे में नहीं सुना तब शायद आप. QR code definition and meaning QR stands for "Quick Response." While they may look simple, QR codes are capable of storing lots of data. But no matter how much they contain, when scanned, the QR code should allow the user to access information instantly – hence why it’s called a Quick Response code.