a particular activity of a person or thing or their purpose

(mathematics) a quantity whose value changes according to another quantity's varying value

the actions and activities assigned to or required or expected of a person or group

a set sequence of steps, part of larger computer program

a formal or official social gathering or ceremony

a relation such that one thing is dependent on another

to operate or perform according to an intended purpose

to perform the duties or tasks that are associated with a particular office, position, or place