Monday 1 November 2010

Visual Literacy, Design Principles

Semiotics

Visual Metaphor,
A visual metaphor is used to transfer the meaning from one image to another.  Although the images may have no close relationship, a metaphor conveys an impression about something relatively unfamiliar by drawing a comparison between it and something familiar.



Visual Metonym,
A visual metonym is a symbolic image that is used to reference to something with a more literal meaning.  By way of association the viewer makes a connection between the image and the intended subject.  Unlike a visual synecdoche, the two images bear a close relationship, but are not intrinsically linked.  And unlike visual metaphors, metonyms do not transfer the characteristics of one image to the other.


































Visual Synecdoche,
This term is applied when a part is used to represent the whole, or vice versa.  Quite simply, the main subject is substituted for something that is inherently connected to it.  The substitution only works if what the synecdoche represents is universally recognised and understood, rather than taken at face value for its literal meaning.  The ability to refer to a group or class of objects through a visual device enables a designer to convey an idea in a clean and unfettered manner.


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