Components of a task or the smallest meaningful activity that describes what employees in an industry are expected to be able to do.  Elements combine to form a task, tasks combine to form a duty, and duties combine to form a job.  Elements depend on other elements and are always components of a procedure.  Also, the sub-division of a unit of competence. The element encapsulates:
Skills – the performance of relevant tasks.
Management – the skills required to manage a group of tasks to achieve the overall job
function.
Contingency management skills – i.e. responding to breakdowns in routines and
procedures.
Job/role environment – i.e. responding to general aspects of the work role and
environment, such as natural constraints and working relationships.