event, incident / matter, affair / scandal

detailed / familiar

the full story; the entire progress of an event

explanation

to explain

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

a difficult (to solve) case