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Earnings, income; money received, especially on a regular basis, for work or investments.

To perform an action or function; to operate.

Performance; the action or process of carrying out or accomplishing an action, task, or function.

Practical, functional; relating to actual experience or use.

Operational, functional, practical.

Work done in addition to one's regular working hours.

Overtime; time spent working in addition to one's normal working hours.

To do overtime; to work beyond normal working hours.

A place where administrative work is done; an office.

To manage, run, or administer an organization or task.