X coordinates, 34–35, 34
in distance measurements, 330
in Dynamic Input display, 8–9
for printing, 354
X direction in UCS, 10
X scale factor for blocks, 237
X spacing for grids, 54–55, 55
Xbind command, 250
Xdatum option, 307
Xline command, 102–104
xr command, 248
xref files, 233, 247–248
attaching drawings as, 248–249, 248–249
vs. blocks, 250–251
editing, 145–147, 145–146
locating, 335–337, 336–337
nesting, 251
trimming and extending, 132
updating, 249, 249
XY coordinates, 8, 34