What does "login" mean?

Credentials: the combination of a user's identification and password used to enter a computer, program, network, etc.

What is a synonym for "login"?

Common synonyms include: logon, sign-in, sign-on, log-on, login id, logon.

//ˈlɒɡ.ɪn// name, noun, verb

name, noun, verb ·Uncommon ·Advanced level

Noun

1
Credentials: the combination of a user's identification and password used to enter a computer, program, network, etc.
"I've forgotten my login again."
2
The process or an instance of logging in.
"Your login failed because you weren't connected to the office network."