None
A Task is a specific defined piece of work that, combined with other identified Tasks, composes the work in a specific specialty area or work role.
Source(s):
NIST SP 800-181
under Tasks
[Superseded]
Activities required to achieve a goal. Note that activities can be physical or cognitive.
Source(s):
NISTIR 8040
under Task
ISO 9241-11:1998
Required, recommended, or permissible action, intended to contribute to the achievement of one or more outcomes of a process.
Source(s):
NIST SP 800-160
[Superseded]
ISO/IEC/IEEE 15288