Maintenance

* Maintenance see Maintenance, Repair and Operations; for railroad usage, see maintenance of way.
* Maintenance is a legal term of art that is used to describe child support, alimony (also called spousal support), and champerty. It is less commonly used to describe unlawful conduct where a third-party provides help to a litigant who does not have a bona-fide interest in a lawsuit.
* Maintenance is an industry term that is used to describe software maintenance in the computer software industry
* Maintenance is an industry term that is used to describe preventive maintenance in manufacturing, e.g. "schedule maintenance on the grinding machine"
* Maintenance of an organism is the collection of processes to stay alive, excluding production processes.