Final answer:
The subject of the question is housing, specifically co-living apartments with shared private rooms and communal facilities like lounge spaces, study rooms, and game rooms.
Step-by-step explanation:
The subject of this question is housing.
The provided information describes different types of housing arrangements, such as shared private rooms in apartment buildings with various communal facilities. The options presented include lounge spaces, study rooms, community kitchens, game rooms, and fire pit. Based on this information, the most suitable term to describe such apartments is Co-Living Apartments.
Keywords: shared private rooms, lounge spaces, study rooms, community kitchens, game rooms, fire pit, Co-Living Apartments