Metaphors are used in computer interfaces in order to aid user to understand a new target domain by allowing them to comprehend it in terms of a source domain they understand [Baecker et al. 1995]. In order to generate useful metaphors, Erickson points to note what metaphors are already implicit in the problem description [Erickson 1990].

A metaphor too is a kind of map; it may be all you have when you are first encountering a new territory shrouded in mist.

Since analogies don’t come to us fully formed, we must tinker with and reformulate domain representations in order to establish workable mappings. Such re-representation and restructuring is a creative process that forces us to reconceptualize domains in a search for coherence.73 Playing with analogy and building analogs is a deeply creative, clari