Instrumental ancillary: Occur as an unnecessary part of the accomplishment of a task.

Leadership is a process of social influence in which one person can enlist the aid and support of others in the accomplishment of a task.

A bounty (from Latin bonitās, goodness) is a payment or reward often offered by a group as an incentive for the accomplishment of a task by someone usually not associated with the group.

In cognitive psychology, procedural knowledge is the knowledge exercised in the accomplishment of a task, and thus includes knowledge which, unlike declarative knowledge, cannot be easily articulated by the individual, since it is typically nonconscious (or tacit).