A corner kick.
When the ball goes out of play over the backline and was last touched by a defender, the attacking team receives a 'corner kick', where the ball is placed within a yard of the corner post and then taken as a free kick. 'Corner' is short for 'corner kick'.
three they are free kick corner and free shoot.
You cannot be offside from a corner kick
A corner kick (two separate words) is a noun. It is a term used in football (soccer).
A goal keeper may take a corner kick.
behind own goal line courtesy of a kick or touch by a team mate, a free kick from the corner would be awarded to the other side, that free kick is called the corner kick
It is not possible to score an own-goal directly from a corner kick. It would have to be a very long kick to do so but, if it did happen, the restart would be a corner kick for the opponents.
A goal may be scored directly from a corner kick.
If the thrower was an attacker, then it is a goal kick. If the thrower was a defender, then it is a corner kick.
Click on the 'How to Kick a Football' link on this page to learn how to punt and kick field goals.