Pyramid Diagram of Organizational levels and information requirements:  Understanding the various levels of an organization is essential to understand the information required by the users who operate at their respective levels.

Operational management level: The operational level is concerned with performing day to day business transactions of the organization. Users at this level use make structured decisions. This means that they have defined rules that guide them while making decisions. For example, if a store sells items on credit and they have a credit policy that has some set limit on the borrowing. All the salesperson needs to decide whether to give credit to a customer or not is based on the current credit information from the system.

Tactical Management Level: This organization level is dominated by middle-level managers, heads of departments, supervisors, etc. The users at this level usually oversee the activities of the users at the operational management level. Tactical users make semi-structured decisions. The decisions are partly based on set guidelines and judgmental calls.

Strategic Management Level: This is the most senior level in an organization. The users at this level make unstructured decisions. Senior level managers are concerned with the long-term planning of the organization. They use information from tactical managers and external data to guide them when making unstructured decisions.