operation

noun

• Business or company, or its activities
• Functioning; use
• Medical procedure involving surgery
• The activities involved in running a business or organization.
• A mathematical process, such as addition, subtraction, multiplication, or division.
• A surgical procedure performed to treat a medical condition.
• A planned military activity or mission.
• A process or series of actions performed to achieve a specific result.
• A secret or clandestine activity.