Zero (null) semantic structure – are  areas of semantic space haven’t no the domain structure of object classes of the world within.

This means that the semantic domain has not been described in language, and perhaps still is not open or does not exist in nature.

Thus, the zero-semantic domain has the potential to predict discoveries and inventions, as well as empty cells in the periodic table of Mendeleev in chemistry have allowed to calculate new chemical elements.

Tofill theblankareasof semanticspacetypicallyusedmetaphorization-selectionof metaphorsandtransferits intoa newsemanticdomain.

This text is a refinement of the approach originally described here: Design discoveries and inventions. (Old site)