I.R.I.S. Readiris 14 for Windows User Guide - Manual (Page 84)

Section 8: Editing the Recognition Zones
90
 Click and hold one of the bullets on the frame, then drag the
frame in the desired direction to expand or reduce the zone.
Changing the sort order of zones
The order in which the zones are numbered determines in which
order they will be included in the output documents. To change the
order:
 Click Select zone in the Editing group.
 Then click the Sort button.
The numbers now disappear from the zones.
 Now click the recognition zones one by one, in the order you
want to sort them in.
Moving zones
 Click Select zone in the Editing group.