Job analysis / is the availability of workers with the required skills in the future.

A job description /is a document containing the minimum acceptable qualifications that a person should possess in order to perform a particular job.

A job specification / is a written document that identifies, defines, and describes a job in terms of its duties, responsibilities, and work conditions.

Labor demand / determines how many and what type of employees the organization needs in the future.

Labor supply / is the systematic process of determining the skills, duties, and knowledge required for performing specific jobs in an organization.