An organization is a nexus of decisions with information needs supplied by an Information System
Information, Decisions, and Management – the type of information required by decision makers is directly related to the level of management decision making and the amount of structure in the decision situation
Strategic Management – executive level, long-range plans, organizational goals and policies, and objectives
Tactical Management – mid-level management, medium- and short-range plans to support objectives made by executives, and allocation of resources and performance monitoring of organizational subunits
Operational Management – short-range plans, day-to-day operations, direct the use of resources and performance of tasks