The Data Flow schema shows the major streams of data within the system. Input and output data streams are visualized by the dedicated interfaces.

The Data Model section is devided into the normalized Table Level and the View Level.

The mechanism of the meta data extraction and the data archiving is elucidated in the Data Pumps chapter.

The cooperation of the internal parts of the system is described in Interfaces.

Retrieval System describes the user aimed meta data access features.

Further sections deal with the Download Facilities and the Upload Facilities.