Retract

If selected, this displays the parameters associated with the Retract motions. This parameter is usually selected and cannot be changed.
It can only be unselected if the Clearance Type = None. If unselected, the Retract parameters are not displayed.

Retract = Approach

If selected, the Retract and Approach motions are the same. In this case, the Approach motions are not displayed.
If unselected, the Approach parameters are displayed.

Approach

If selected, this displays the parameters associated with the Approach motions. This parameter is usually selected and cannot be changed.
It can only be unselected if the Clearance Type = None. If unselected, the Approach parameters are not displayed.