This definition appears very rarely
Samples in periodicals archive:
Therefore, for Fanon, the spaces of the colonized are themselves sprit in two between mere reaction, firmly within the "zone of turbulence," and what Fanon terms "the zone of action.
The unit successfully breached two Iraqi minefields, cleared enemy forces in the zone of action and all members of the unit ultimately returned home unscathed.
Through this diary we see what a division commander saw and may be surprised to find that he saw relatively little outside his immediate zone of action.