The user is not given {HEAD ~ an effective method} for drawing {TAIL ~ relationships} between the columns and keys in the table without opening additional windows or panels 
for drawing
The user is not given { HEAD ~ an effective method } for drawing { TAIL ~ relationships } between the columns and keys in the table without opening additional windows or panels
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH