job description and job specifications ??

A job description sets out clearly and succinctly the job holder's overall role or responsibilities, specific tasks or accountabilities and reporting relationships.

Job specifications define the qualifications, experience and personal qualities required by the job holder and any other necessary information on the special demands made by the job, such as physical conditions, unusual hours, or travelling away from home. They should also set out or refer to terms and conditions of employment such as salary, fringe benefits, hours, and holidays.

job description: it is about how the job can be done and all details about how the position runs and may be some important steps included.

job specifications: that means the basic demand on your academic experience(primary school or college etc.) to take the position. Also, some may add several further requirements about the job(nice and friendly and other special personalities to oversome difficulties in the job)