1. TOP MANAGEMENT
   1. LONG-RANGE PLANNING
   2. FLOW PRIMARILY UPWARD WITHIN ORGANIZATION
2. MIDDLE MANAGEMENT
   1. CONTROL,PLANNING,DECISION,LONG-TERM GOALs
   2. FLOW HORIZONTAL AND VERTICAL WITHIN DEPARTMENT
3. SUPERVISOR
   1. SUPERVISE WORKERS
   2. FLOW PRIMARILY VERTICAL
4. INFORMATION SYSTEMS
   1. ESS
      1. EXECUTIVE SUPPORT SYSTEMS
      2. FOR TOP-LEVEL DECISION MAKERS
   2. DSS
      1. DECISION SUPPORT SYSTEMS
      2. ENABLE MANAGERS TO GET ANSWERS FOR UNANTICIPATED QUESTIONS
   3. MIS
      1. MANAGEMENT INFORMATION SYSTEMS
      2. \PRODUCE PREDETERMINED PERIODIC,EXCEPTION,DEMAND REPORT
   4. TPS/DPS
      1. TRANSACTIONS/DATA PROCESSING SYSTEMS
      2. RECORD DAY-TO-DAY TRANSACTIONS
   5. OTHERS
      1. OAS(OFFICE AUTOMATION SYSTEMS)--SUPPORT DATAWORKERS INVOLVE IN DISTRIBUTION AND COMMUNICATION OF INFORMATION
      2. KWS(KNOWNLEDGE WORK SYSTEMS)--SUPPORT KNOWNLEDGE WORKER WHO CREATE INFORMATION
5. CHAPTER 11
6. FUNCTIONS
   1. ACCOUNTING
   2. MARKETING
   3. PRODUCTION
   4. HUMAN RESOURCES
   5. RESEARCH