- Truck:
- Boys sidestep one dancer position to the Left; - Girls sidestep one dancer position to the Right. 
  - Reverse Truck:
- Boys sidestep one dancer position to the Right; - Girls sidestep one dancer position to the Left. 
Notes:
- 
'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.
- 
Truck is a sex-dependent call: Girls always sidestep Right,
    Boys always sidestep Left.
- 
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.
- 
Truck is a positional call such as 
    Loop [C2]
    and
    Press [C1,C2].
In the following diagrams, 
   = Boy and
 = Boy and 
    = Girl.
 = Girl.
| |   |  |   |  | before Truck
 |  | after 
 | 
 | |   |  |   |  | before Truck
 |  | after 
 | 
 | 
| |   |  |   |  | before Truck
 |  | after 
 | 
 | 
anyone Tow Truck [C4] (Lee Kopman):
 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.
 See also (direction) Loop n [C2]
 and Press direction [C1,C2].