intelligibility (part of speech: noun)
visibility (part of speech: noun)
succinctness (part of speech: noun)
He now gazed with eager observation down the path which, as the day approached, stood out with increasing clearness
from the surrounding shades, and his heart began to beat faster as he perceived a figure approaching the well, with rapid steps.
- "The Complete Historical Romances of Georg Ebers", Georg Ebers.
A candidate for the position must have tact, understanding, and clearness
of written expression.
- "Out of the Air", Inez Haynes Irwin.
They had not yet reached clearness
in their thinking as to how this dread thing had fallen upon their country so far from the storm centre, so remote in all vital relations.
- "The Major", Ralph Connor.