As literary scholar Murray Krieger states "Shakespeare is not likely to overlook the possibilities of metaphorical extension".
A metaphorical extension is the "extension of meaning in a new direction" through popular adoption of an original metaphorical comparison.
In a further metaphorical extension, guru is used of a person who has authority because of his or her perceived knowledge or skills in a domain of expertise.
Skinner refers to this as "metaphorical or metonymical extension".
Iconicity and metaphor: Constraints on metaphorical extension of iconic forms.
But it is drive-by, not drive-through, that is getting metaphorical extension in the language.
This is essentially a metaphorical extension with the older item standing for anything filling its role.
It is a metaphorical extension of the meaning used a "transparent" object is one that can be seen through.
Moreover, its metaphorical extension to other matters, such as chess, is equally dubious.
A gripping and literary narrative of unusual metaphorical extension and authority, in which the author is able to include the reader in his coming to terms with blindness.