CA certificate, this is a very general term. The two letters of CA stand for Certificate Authority , which means a certificate authority, that is, a certificate authority can be referred to as "CA" for short. Then "CA certificate" is commonly understood as a digital certificate authority. All digital certificates issued can be called "CA certificates".
SSL certificate, which is a specific CA certificate, is a CA certificate used to implement https encryption for a domain name or IP.
Then the relationship between the two is clear at a glance. "SSL certificate" is a kind of CA certificate, but "CA certificate" not only refers to SSL certificate, it can also include code signing digital certificate, document signing digital certificate and other products.
However, due to work habits, many people will habitually call the SSL certificate "CA certificate" because in their current working environment, the CA certificate is the SSL certificate.
So now, do you still have some questions about the relationship between the CA certificate and the SSL certificate?