perfect, completed

completeness / perfection

to go in; to come in / 要る: to be necessary, to be required

to enter, go into, get into a place or a thing / to join a group or organization / to be contained (in), to be included (in) / to be a member of a group, set, category

(music) a grand piano

street piano

world / a metaphorical world (how one lives one's life) / society, the times / a realm, a circle, a sphere / (Buddhism) the four inner realms of 須弥山 (Shumisen) / (Buddhism) realm governed by a buddha

to play an instrument skillfully, freely

(music) a pianoforte (piano) / (music) pianoforte (playing softly, followed immediately by playing loudly)

(music) an upright piano