Index: /trunk/archive/scripts/src/concepts.txt
===================================================================
--- /trunk/archive/scripts/src/concepts.txt	(revision 4280)
+++ /trunk/archive/scripts/src/concepts.txt	(revision 4281)
@@ -44,4 +44,11 @@
 CELL.READNOISE		CCD read noise (e)
 
+CELL.XOFFSET		Offset on the CCD of window start in x
+CELL.YOFFSET		Offset on the CCD of window start in y
+CELL.XBIN		Binning in x
+CELL.YBIN		Binning in y
+CELL.XPARITY		Direction of readout in x
+CELL.YPARITY		Direction of readout in y
+
 There is no reason why concepts higher up can't be specified lower
 down (multiple times, at the risk of introducing the potential for