It is used in a number of American Style ballroom dances: rumba,[1] waltz,[2] bronze-level foxtrot.
In international standard dance competition, there is a similar step called closed change.
[1][2] In other dances (and in variations) the box may start from the left or right foot, either back or forward, or even sidewise.
For example, in the quadrado figure of samba de Gafieira the leader steps (starting with the left foot) "left-together-back, right-together-forward".
George first saw the Renkins doing it, then he taught it to Bill, the Quints, the Man with the Yellow Hat, and at the end, Allie.