Web, domains and email
SSL
Abbreviation for Secure Sockets Layer
In short and in plain language
SSL is the common name for a secure link between a browser and a website.
Today a newer method is usually used. But the old name has stuck in daily life.
A valid certificate for it means that form data is sent in a secure way.
Then the browser shows no warning.
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 in everyday language. A valid SSL certificate means that form data is transmitted encrypted and browsers do not show a warning.