Occupancy (noun)

1. The act or state of occupying or being occupied, especially of having control or possession of a building, space, or area.
2. The number of people or objects occupying a building, space, or area at a given time.

Origin:

Derived from the latin word 'occupare' meaning 'to occupy' or 'to hold'.

Examples:

1. The occupancy rate of the hotel was low during the off-season.
2. The occupancy of the building was increased after the renovation was completed.
3. The occupancy of the park was high on the sunny day, with families enjoying picnics and playing games.
4. The occupancy of the movie theater was low, with only a few people scattered throughout the seats.
5. The occupancy of the train was high during the morning rush hour, with many commuters heading to work.