Web, domains and email
SSL
Abbreviation for Secure Sockets Layer
In short and in plain language
SSL is the common name for encrypting the link between a browser and a website.
Today a newer method that followed it is usually used. But the old name has stuck.
You can tell an encrypted website by the start of its address.
Definition
SSL is the common name for encrypting the connection between a browser and a website. Today its successor TLS is usually used, but the name SSL has stuck. An encrypted website can be recognised by HTTPS in the address.