What is the "public" role?

[bonsai]

There was an ACL with the "public" role set.

My account does not have the "public" role, but I was able to access it.

What does this mean? .

https://www.servicenow.com/docs/bundle/yokohama-platform-administration/page/administer/roles/refere...

The roles are explained above, but I don't really understand them. . .

[Ankur Bawiskar · Accepted solution]

@bonsai 

check this for better explanation

Difference between Public role and No Role 

If my response helped please mark it correct and close the thread so that it benefits future readers.

[NagaChandaE]

Public role means every one can access it .