"According to Morris, syntactics is the relation between a given sign-vehicle and other sign-vehicles. There is a critical distinction here (that many cartographers have missed) between Morris's "syntactics" and the linguistic subcategory of "syntax". While syntax puts emphasis on word order and parsing (i.e., on a linear sequence), syntactics is much broader in scope. Syntactics allows for any kind of among-sign relationships. Morris (1938, p. 16) makes this point explicitly in his statement that there are "syntactical problems in the fields of perceptual signs, aesthetic signs, the practical use of signs, and general linguistics."... At least three kinds of sign relationships seem to fall under Morris's umbrella of syntactics (Posner, 1985, in French; cited in Nöth, 1990, p. 51). These include:"
January 1, 1970
https://en.wikiquote.org/wiki/Charles_W._Morris