Here's a breakdown of the different contexts:
Employment:
* A company may advertise vacancies for specific roles, meaning they are looking for someone to fill those positions.
* Vacancy rate is a term used in economics to describe the percentage of available jobs in a particular region or industry.
Accommodation:
* A hotel might have vacancies for certain dates, indicating available rooms.
* An apartment building may have vacancies if there are empty units available to rent.
Essentially, "vacancies" means something is empty, available, or unfilled in a specific context.