The Figure shows the design steps to build a system with the AUTOSAR technology. Please note that this is an information flow, not an illustration of files. Terms of descriptions:

• System Configuration Description:
  includes all system information and the information that must be agreed between different ECUs
• System Configuration Extractor:
  extracts the information from the System Configuration Description needed for a specific ECU
• ECU extract:
  is the information from the System Configuration Description needed for a specific ECU
• ECU Configuration Description:
  all information that is local to a specific ECU the runnable software can be built from this information and the code of the software component