1. Statistics: Number of discrete mathematical steps (such as addition and multiplication) involved in the execution of an algorithm or mathematical process. See also computability theory.
2. Organizational: Condition of having many diverse and autonomous but interrelated and interdependent components or parts linked through many (dense) interconnections. In the context of an organization, complexity is associated with (1) interrelationships of the individuals, (2) their effect on the organization, and (3) the organization's interrelationships with its external environment. How these interrelationships arise and how they enable the organization to evolve (by creating new organizational patterns and structures), is not well understood. See also types of complexity.
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