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task

Definitions:

  An activity that is directed toward the achievement of organizational objectives.
Sources:
NIST SP 800-181 Rev. 1 under Task

  Required, recommended, or permissible action intended to contribute to the achievement of one or more outcomes of a process.
Sources:
NIST SP 800-160v1r1 from ISO/IEC/IEEE 15288:2015

  Activities required to achieve a goal. Note that activities can be physical or cognitive.
Sources:
NISTIR 8040 under Task from ISO 9241-11:1998

  An activity that is directed toward the achievement of organizational objectives.
Sources:
NIST IR 8355