| [http://www.allthingy.com/data-information-knowledge-wisdom/ Michael A. Urmeneta, MS]
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The different levels are often referred to as:
* EIS: Executive Information Systems. Highly summaries data with extensive drill down. Provides strategic decision support.
* MIS: Management Information Systems. A broader focus with a week to week focus to organise, evaluate and efficiently manage departments within an organization.
* DSS: Decision Support System. Programs required to assist with analysis and decision-making within an organization.
* BIS: Business Information Systems. Tactical information with a day to day focus. More data than information.