how to use wi-fi direct

What is Wifi direct? Wifi direct Used for? How to connect and use Wifi direct
wifi direct is considered as one of the very convenient connection technologies on computers and phones in modern life. so what is wifi direct? what to do? how to connect and use, find out the article below!
How to use Wi-Fi Direct on Android
with the ability to connect two or more phones or tablets, wi-fi direct eliminates the need for an internet connection. file sharing, document printing and screen projection are the main uses for wi-fi direct on mobile devices.