Employment is the act of hiring someone to do a JOB. The term 'HIRE' is used to describe the process of finding and engaging someone for a JOB, which is typically done through a TASK such as an interview. The PLACE where the JOB is located is known as the workplace, and the LINE of work that the person is hired to do is known as their JOB description. Playing a role in the workplace is a DUTY that comes with the JOB, and the POST or position that the person holds is known as their JOB title. USING skills and knowledge to do a JOB is known as a CAREER, and a CRAFT is a TRADE or profession that requires special skill and knowledge. RESPONSIBILITY is an important part of any JOB, and a TRADE is a BUSINESS or industry that involves buying and selling goods or services. EXPLOITATION is the act of USING someone or something for one's own benefit, and an APPLIANCE is a device or tool used to perform a specific TASK. An APPOINTMENT is a meeting or engagement arranged in advance, and a COMMISSION is a fee paid for services rendered. A BILLET is a JOB or position, and the terms JOB, USE, work, and USAGE are all related to employment.