The CDIF Family of Standards is pi:tinily designed to be used as a description of a mechanism for transferring information between CASE tools. It facilitates a successful transfer when the authors of the importing and expecting tools have nothing in carman except an apeman to conform to CDIF. The language that Is defined fee the Tinder Format also has applicability as a general language for hnpon/Expon from repositories. The CDIF Integrated Meta-model defined fa CASE also has applicability as the basis of standard definitions for use in repositories. The standards which fan@ the complete family of CDT Standards are documented in ELVIS-106 COIF CASE Data latorkange Format-Overview. These standards cover the overall framework@ the transfer font and the CDIF Integrated Meta-model. The diagram in Figure 1 depicts the various standards that comprise the CDIF Family of Standards. The shaded box depicts this Standard and its position in the CDIF Family of Standards. This standard defines the Foundation subject area of the CDIF Integrated Meta-model. This subject area contains the basic objects on which all other objects@ including those defined using extensibility@ must be based.