official position, post / executive position

accomplish, perform, fulfill

(historical) an office in Zhou Dynasty, China. / (historical, in Japan) substitutive style of high ranked courtier, particularly officers in the 5th rank (五位).

(in Noh-theater) iemoto or the head master of shite (シテ) acting family. / (in jōruri/bunraku-theater) style of narrators and shamisen players.

role

important, significant

importance, consequence, significance

age, era, period (of time) / the times, spirit of the age / antiquity / a time in one's life, one's days (in college etc.)

laps or circuits

circumference / circuit / lap