brief, short, summarized, succinct

to end (something), to conclude (something), to finish (something), to quit (something)

explanation

to explain

end; conclusion; finish

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

instruction manual / explanation paper

Eggcorn of 止むを得ない (yamu o enai, “have no choice but to”).