reticle; crosshair

line / level / beam

a telescope

ten characters / cross (shape) / (Christianity) sign of the cross / Short for 十字架 (jūjika).

to use / to employ / to make use of, to apply / to spend

observation

observe

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