A job description generally outlines the responsibilites and duties to be carried out by someone employed to do a specific job. It would nclude, who the worker is responsible to, responsible for, the department he works in(Marketing,etc), the job title, the main purpose and duties of the job(Summary of the job), and the occasional duties of the job. It can sometimes also include the conditions of pay such as salary, working hours, training to be offered, and opportunities of promotion.