What does HTTP stand for? 

HTTP stands for hypertext transfer protocol. 
HTTP-HTTP stands for hypertext transfer protocol.

 What is HTTP?     

hypertext transfer protocol is a communication protocol that is used to connect servers with www ( World Wide web) The function of HTTP is to generate a connection with the web and transmit Html. which gives the computer user to use the internet.

The communication between the server to the browser is simply known as HTTP.