A prosecutor is the government's attorney in a criminal case who represents the people, such as a District Attorney, States Attorney, U.S. Attorney, Attorney General, Solicitor General, or special...
A requirement may be an ethics and compliance safety that every business or job is mandating to know whether individuals that they are planning to hire fits the job that they need in the work.
"requirement" is nothing but the raw data gathered from the customer what he wants. "requirement specification" is a document which specify the requirements.