'Position' in terms of this definition refers to a spot that could be
occupied by a dancer. Within a 2 x 4 there are eight positions. A
Squared Set, Butterfly, or "O" is a 16-Matrix (4 x 4) formation,
and one position refers to an adjacent spot within that
rectangular grid. EN: 30
Truck is a sex-dependent call: Girls always sidestep Right,
Boys always sidestep Left. EN: 40
Callers could also say direction Truck where
direction can be In, Out, Right, or Left. In this case,
sidestep one position toward the given direction. The given
direction is relative to the Center of the Set. This usage
of Truck is not sex-dependent. EN: 50
Truck is a positional call such as
Loop [C2]
and
Press [C1,C2]. EN: 60
In the following diagrams,
= Boy and
= Girl. EN: 70
From an applicable 2-dancer formation.
Designated dancer Truck as the adjacent dancer moves into designated
dancer's vacated position without changing their facing direction.
The result is as if the designated dancer did a Truck while
dragging the adjacent dancer. EN: 496
= Boy and
= Girl. 
