authority (persons in command; specifically, government) / this or our 局 (kyoku, “office”) – post office (郵便局), broadcasting station (放送局), etc.

(electronics) diode (rectifier tube)

extreme

the extreme / the edge, the boundary

finale (grand end of something)

sankyoku, a traditional Japanese ensemble consisting of three instruments: shakuhachi, shamisen, and koto (formerly kokyu, shamisen, and koto)

atmosphere of a song

acrobatics

(mathematics) a Bézier curve

kayōkyoku; Shōwa-era pop music