So basically you have to write the essay about a quotation the you have read in a article or book in the way you read it like how did you interpreted it

In the English language, the word "who" is almost always used as a pronoun.
It represents a person, similar to the words "I" and "me".
Answer:
The right quality and quantity of people required to make the product or provide the service.
Explanation:
This is the definition of Human Resource. A human resources department represents a key element for the well-being of employees in any company, regardless of the size of it. Among Human Resources' tasks, we can find the payment of salaries, benefits, recruitment of new employees, the firing of other ones, and the maintaining of the company updated with state and federal tax laws.