Stagger means to take a 16-Matrix formation, typically 
  Interlocked Blocks [C1],
  and to work as if you were in Columns.  Upon completion of the
  given call, each dancer must end on one of the footprints of the original
  formation.  Shape-changing calls are allowed with the restriction that it must
  be possible for each dancer to unambiguously adjust to end on one of the
  footprints of the original formation.  When the starting formation is
  Interlocked Blocks, the Diagonal acts as the controlling feature for
  re-establishing the footprints of the resulting formation.
| Stagger CONCEPT 
 |   |  |   |  | From here... |  | imagine you are here. | 
 | 
| |   |  |   |  | before Stagger Circulate
 |  | after 
 | 
 | 
| |   |  |   |  |   |  |   |  | before Stagger Peel & Trail
 |  | imagine you are in Columns |  | after Peel & Trail
 |  | after re-establishing footprints
 | 
 | 
Stagger anything To A Line | Wave | normal setup [C2V]:
 Start the given call Stagger but end in a normal setup (i.e., remove the
  distortion).  For example, a Stagger Coordinate To A Line starts from a
  distorted setup but ends in Parallel Lines.
Split Stagger [C2V]:
 Same as Stagger working Split.  For example, a Split Stagger Counter Rotate 1/4
  is the same as Stagger Split Counter Rotate 1/4.
  Sometimes the caller will say Split Stagger in order to
  emphasize that the call is to be done on a Split basis, when just Stagger
  would have sufficed, as in Split Stagger Walk & Dodge (since Walk & Dodge
  is a 4-dancer call it is always done on a Split basis when called from
  Columns).  We believe callers should avoid using the term Split Stagger.
Big Block CONCEPT [C3A]:
 From applicable 4 x 4 Matrix formations such as
  Interlocked Blocks, 
  a Butterfly, 
  or an 
  "O".
  Do the call working in distorted Parallel Lines.
 See also Block FORMATION [C1].