way of using; how to use; usage
Refers to the method, manner, or instructions for using a tool, device, substance, or system.
Please tell me how to use this app.
洗濯機の使い方がわからない。
I don't know how to use the washing machine.
way of handling; way of treating; management
Used for the manner of dealing with people, especially in a supervisory or interpersonal context, such as employees, subordinates, or children.
彼は部下の使い方が上手だ。
He is good at handling his subordinates.
人材の使い方を考え直す必要がある。
We need to rethink the way we manage our human resources.
My senior at work taught me how to use this machine.
I still don't know how to use my new smartphone.
Please check the correct way to use the medicine.
It took me a while to learn how to use this software.
He's a boss who is good at managing his subordinates.