The argument was originally made against a background of structuralist phonemics which equated the two.
It is in fact a balance among phonemics, morphology, etymology, and grammar; and, like that of most living languages, has its share of inconsistencies and controversial points.
The unit of analysis for phonemics is called phonemes.
Phonemics studies how the sounds are used.
Phonemics: a technique for reducing languages to writing.
Others therefore suggested renaming the study of language-dependent pronunciation "phonemics" or "phonematics" instead, but this did not gain widespread acceptance either, so the terms "graphemics" and "graphematics" became more frequent.
The second, third and fourth chapters discuss phonetics, phonemics and distinctive features.
Phonology is divided into two separate studies, phonetics and phonemics.