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“graphetics”
A term, coined on analogy with phonetics, is the study of the physical properties of the symbols that constitute writing systems: The following image provides an example of graphetics.
A scribe is pointing to family units related to writing.
This entry is located in the following units:
grapho-, graph-, -graph, -graphy, -grapher, -graphia
(page 39)
-ics, -tics [-ac after i]
(page 18)