the rear, back, or backside of something / the rearward or backward direction / the portion of a palace where a queen or other female imperial consort lives

prefixing element in kanji compounds, adding a meaning of later, after, following, rearward

later, afterwards, some time after the present

after

later, afterwards, some time after the present

(spatially) the back, the rear, behind / (temporally) later, afterwards, some time after the present / the rest

one's backside / the back, the rear (both spatially and temporally)

singles (in tennis)

the first sight of something / something seen for the first time

one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it