understanding, comprehension / appreciation

difficult / hard, probably impossible

the heart or depth of something; the inner secrets of something

the heart or depth of something; the inner secrets of something

understand, comprehend / appreciate

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

picture, painting, drawing, sketch

picture, painting / drawing, sketch