Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
This is a combined display of all logs except the patrol, review, tag and thanks logs:
Who performed the action – enter their name without prefix under "Performer".
The page or user affected by an action – enter the page or user name (prefixed with "User:") under "Target".
10:45, 1 March 2017Coffeetalkcontribs changed group membership for Teblick from autopatrolled, extended confirmed user and rollbacker to autopatrolled, extended confirmed user, rollbacker and new page reviewer (trusted user)