Assertion: consonant | /r/HasProperty | oriented in similar directions
Facets:
Source sentences:
text: He was the first to use thickness of a stroke to indicate voicing (voiced consonants such as /b/ and /d/ are written with heavier lines than unvoiced ones such as /p/ and /t/), and consonants with similar place of articulation were oriented in similar directions, with straight lines for plosives and arcs for fricatives.