I think this is classified as a Idiom
A low pitch sound example would be like a crocodile. They can produce sound so low for the human ear to hear. Thunder can also produce exceptionally low pitched sounds that are felt much as they are heard.
Answer: Career
Explanation: A job is only for a certain time. A salary is the money you make during your time at a job. A workforce is an area of work multiple people work in. This leaves the only remaining answer as Career.
The story of Charles Dutton can be described as inspirational, is the type of story Hollywood has us used to, stories of people "making it", overcoming a rough upbring or a huge mistake.
