Web, domains and email
HTTP
Abbreviation for Hypertext Transfer Protocol
In short and in plain language
HTTP is the set of rules a browser uses to get web pages from a server.
Without encryption, anyone could read the data on its way.
So websites usually use the encrypted form of it.
Definition
HTTP is the protocol a browser uses to fetch web pages from a server. Without encryption, the data travels in readable form. Websites therefore usually use the encrypted variant HTTPS.