Each logical compartment includes a placement policy including a set of {HEAD ~ storage placement rules} for {TAIL ~ placement} of storage symbols into a set of physical storage containers 
for
Each logical compartment includes a placement policy including a set of { HEAD ~ storage placement rules } for { TAIL ~ placement } of storage symbols into a set of physical storage containers
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH