The process whereby word forms, whether spoken, written, or gestured (signed), are linked to meaning/semantics is irreducibly computational.
A complete text is well-formed if and only if its meaning is resolved once the last word form has been taken up.
It is in this context that Roman Jakobson’s poetic function may be considered a principle of literary form.
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See Jakobson’s Poetic Function and Literary Form, New Savanna, blog post, September 7, 2017: https://new-savanna.blogspot.com/2017/09/jakobsons-poetic-function-and-literary.html
Jakobson’s poetic function as a computational principle, on the trail of the human mind, New Savanna, blog post, September 19, 2017: https://new-savanna.blogspot.com/2017/09/jakobsons-poetic-function-as.html