What is the Purpose of the Lines on a Rear Windshield?

These lines on the back window of my car : r/mildlyinteresting

Conductive Rear Window Defroster Repair Kit Corrects Heater Grille Lines DIY

What is the Purpose of the Lines on a Rear Windshield?

Buy DIY Rear Window Defogger Repair Kit for Car Scratches Broken Grid Lines Conduct Electricity Easily Hand Tool Sets at Aliexpress for . Find more ,

DIY Rear Window Defogger Repair Kit for Car Scratches Broken Grid Lines Conduct Electricity Easily Hand Tool Sets

Permatex® Window Defogger Repair Kit - Permatex

What are the lines on my rear windshield for? - Quora

Can rear window defroster lines be removed from the window somehow?

Why Won't My Rear Defroster Work? - Lou's Car Care & Fleet Services, defroster for car windshield

What are thin lines on rear windscreen?, Working of Rear Defogger, #Automobile

Those horizontal lines on the rear window Here's what purpose they serve to your car