Http stands for HyperText Transfer Protocol--the method used to transfer hypertext files across the Internet. On the World Wide Web, pages written in HTML use hypertext to link to other documents. When you click on hypertext, you jump to another web page, sound file, video or graphic.
Hypertext transfer is simply the transfer of hypertext files from computer to computer. Hypertext transfer protocol is the set of standards used by computers to transfer hypertext files (web pages) over the Internet.