'staff'refers to all the employees as a whole, so the entire group of employees of a business or company and an 'employee' is just one member of staff of a business or company. Kindly vistmy profile should you need any help. Happy learning🌺😀

Staff is all the people working there. Employee is one person (out of everyone) working there. For example - "The staff are really helpful." (all workers) but can also say - "The staff member was really helpful." (one worker out of everyone) staff member = employee "The employee was really helpful." (one worker) but you can also say - "The employees were really helpful." (all workers) employees = staff