English  pole , Chinese  ji  極 "ridgepole" can mean " geographical pole ; direction" (e.g.,  siji  四極 "four corners of the earth; world's end"), " magnetic pole " ( Beiji  北極 "North Pole" or  yinji 陰極 "negative pole; anode"), or " celestial pole " ( baji  八極 "farthest points of the universe;