Most Businesses require people to do the Processing to turn the items they get from Vendors into stuff the Customers want to buy, These people are called Employees (or Contractors *)
Business
* If your organization uses Contractors, your Contractors are considered a Vendor of services
Employee 1 - Wage/Salary
Employee 2 - Wage/Salary
Employee 3 - Wage/Salary
Businesses have to Pay employees, they are paid either a Wage or a Salary, this process is called Payroll
Depending on the business you may provide other incentives to your employees, these are called benefits