The individual frames with slices extracted and approximately aligned have the suffix _ext. The flat-fielded, scrunched, sky-subtracted pairs have the suffix _scr. A datacube is formed from each pair with the suffix _cub.
The datacubes are mosiacked into a file with the suffix _mos. A white-light image is extracted from this datacube with the suffix _im.
ORAC-DR -- integral field spectroscopy data reduction