{HEAD ~ Applications} may include {TAIL ~ various displays} presenting images, numbers, pointers, paths, vectors, or data by digital screens, watch faces, or other devices integrated with or remote from the processor calculating the vector back to the point of origin 
include
{ HEAD ~ Applications } may include { TAIL ~ various displays } presenting images , numbers , pointers , paths , vectors , or data by digital screens , watch faces , or other devices integrated with or remote from the processor calculating the vector back to the point of origin
HEAD HEAD HEAD HEAD HEAD OTH REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH