heart of a city, center of a city

a penthouse (an apartment or suite on the top floor of a tall building)

to live in, to inhabit, to abide at, to dwell at

high-class; luxury; exclusive / high-ranking

high class, luxury / a high rank / high-end, upscale

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

there's no place like home, home is where you hang your hat

(programming) high-level language