Definitions Edit

An activity is

[a]n element of work performed during the course of a project. An activity normally has an expected duration, expected cost, and expected resource requirements. Activities are often subdivided into tasks.[1]
[a]n assessment object that includes specific protection-related pursuits or actions supporting an information system that involve people (e.g., conducting system backup operations, monitoring network traffic).[2]
1. A unit, organization, or installation performing a function or mission. 2. A function, mission, action, or collection of actions.[3]

An activity is a "[s]et of cohesive tasks of a process."[4]

References Edit

  1. Information Technology Resource Management Glossary, at 3.
  2. NIST Special Publication 800-53A
  3. Department of Defense Dictionary of Military and Associated Terms, at 8 (2018 ed.).
  4. NIST Special Publication 800-160, App. B, at 165.