intellectual

field, sphere (of work), area (of study) / the area of one person's focus of work or study

knowledge

recognition, awareness / understanding / (computing) recognition

to recognize something, to be aware of something / to understand something / (computing) to recognize something

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

wide, broad / spacious / vast, large / broad, wide-ranging

vast, wide