{HEAD ~ The position} of the device determined by the processor 208 includes both the location and {TAIL ~ orientation} of the device with respect to the origin and may be referred to as the “absolute position” of the device 
includes
{ HEAD ~ The position } of the device determined by the processor 208 includes both the location and { TAIL ~ orientation } of the device with respect to the origin and may be referred to as the “ absolute position ” of the device
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH