Please tell the details as per GST

As per gst

Hei...sabyasaachi irritated dog ,nonsense I will kill you......get lost

1)Zero rated - Export of goods or services are Zero rated supply.

2)Nil rated supply means some essential of goods or services are kept nil in the interest public.

3) exempted supply means - Some essential goods or services in the interest of public exempted by way of notification.

4) Non GST supply - Goods or services are kept out of preview of GST .