acupoint (a specific point on the body where acupuncture is applied)

control / grasp (understanding)

to have under control / to grasp (to understand)

accurate; exact; correct; precise

accuracy; exactness; correctness; precision

location, position

to be located; to be positioned; to be situated

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