a branch family

a bifurcation, a division / branching structure, branched structure

love letter

beginning of a document

(military) a squad

(mathematics) difference / (computing) difference (between data)

the Bunkyū era: a Japanese 年号 (nengō, “era”), 19 February 1861 – 20 February 1864, the fifth of seven nengō during the reign of Emperor Kōmei (10 March 1846 – 30 January 1867)

(typography) to pick type

(literature) an anthology / (typography) type picking (historically, the picking of movable type for later typesetting)

Kyūjitai form of 分点