Reference diagrams

This paper discusses a class of diagrams that are often referred to by bith experts and novices is any given domain of activity. This type of diagram is given the term The paper will outline a definition of what the term 'Reference Diagram' allludes to as well as outline the characteristics of such diagrams. A case study is then reported which highlihgts a particaular domain of activity (Case-Based Reasoning) and provides example of the class of diagrams in question. Furthermore, it is suggested in this paper that such is the omportance of Reference Diagrams that they should be collected in order to maintain ease of access. This can be done in much the same way as with a set of maps, a compilation of pictures, a dictionary of thesaurus of words or on antology of literature, such as a set of academic paper and articles of a particular domain.