| 1. | the maintenance of a house or domestic establishment. |
| 2. | the management of household affairs. |
| 3. | the management, care, and servicing of property and equipment of an industrial or commercial building or organization. |
| 4. | the ongoing routine, procedures, operations, and management of a commercial enterprise, government, organization, or the like. |
| 5. | Computers. system tasks, as initialization and managing peripheral devices, that must be done to permit a computer program to execute properly but that do not directly contribute to program output. |