subdialog

Meaning

1. adjective Below the level of dialog.
2. noun A dialog making up part of a larger dialog.
3. noun A dialog box opened from another dialog box.

   From the Font dialog, click Advanced to open a subdialog with further typographical settings.

Similar words

subdialogue subconversational subverbal subconceptual sublinear subliterary subplatform sublaminal subcounty subaudible

Often followed by

box boxes is