A turned groove can be cut in two different styles. The regions in the following figure are used to show the differences.
Width first - regions are cut in the order:
,
,
,
,
,
.
Depth first - regions are cut in the order:
,
,
,
,
,
.
If
Depth First and
Plunge Center First are both enabled, then the groove is cut in the order:
,
,
,
,
,
. If the groove were wider, the subsequent cuts would alternate from one side of the groove until the other until the entire groove was cut.