HTTP Full Form, What is HTTP?

HTTP full form Hyper Text Transfer Protocol.

The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, and hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web.

Hypertext is structured text that uses logical links (hyperlinks) between nodes containing text. HTTP is the protocol to exchange or transfer hypertext.

Concept of HTTP:

HTTP concepts include (as the Hypertext part of the name implies) the idea that files can contain references to other files whose selection will elicit additional transfer requests. Any Web server machine contains, in addition to the Web page files it can serve, an HTTP daemon, a program that is designed to wait for HTTP requests and handle them when they arrive. Your Web browser is an HTTP client, sending requests to server machines. When the browser user enters file requests by either "opening" a Web file (typing in a Uniform Resource Locator or URL) or clicking on a hypertext link, the browser builds an HTTP request and sends it to the Internet Protocol address (IP address) indicated by the URL. The HTTP daemon in the destination server machine receives the request and sends back the requested file or files associated with the request.

HTTPS- 

HTTPS is an abbreviation of Hypertext Transfer Protocol Secure. It is a highly advanced and secured version of HTTP. It makes use of the port no. 443 for Data Communication.

HTTPS allows secure transactions by encrypting the complete data with SSL (Secure Socket Layer). HTTP permits to create a secure encrypted connection between the server and the web browser. It helps in protecting the sensitive information from being stolen.