Phonological Criteria for Establishing the Limits of Morphological Structures [...] 1. Occurrence of open vs. closed junctures. [...] 2. The distribution of phonemes within juncture limits. [...] 3. The distribution of allophones within juncture limits. [...] 4. Stress patterns. [...] 5. Potential pause vs. nonpotential pause. [...] 6. Pattern of phonological change. [...] These phonological criteria supplement each other and give us the basis for determining what may be called 'the phonological word'. In some instances phonological words are equivalent to phrases or entire sentences.
- Nida (1949), Pag. 102-103