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

back; behind; other side / inside / reverse side of a coin ("tails") / (baseball) bottom (of an inning)

reverse side / back / other side

project management

(cryptography) secret key

secret police

secret base (of the military, of children, etc.)

secret society