U.R.L. opener indicating an additional layer of encryption

• Secure site starter
• URL introduction for a "locked" Web page
• Certain address starter
• URL introduction for a "locked" page
• Letters near a padlock in an address bar
• Protective online address starter

Wikipedia Word definitions in Wikipedia
HTTPS (also called HTTP over TLS , HTTP over SSL , and HTTP Secure ) is a protocol for secure communication over a computer network which is widely used on the Internet . HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection ...