The noun calmness is based on the adjective calm. (Calm can also be a noun or verb.)
quiet
The phrase "the sky was the color of the calm Pacific thousands of miles from land" is a simile. It uses "was" to directly compare the color of the sky to that of the calm Pacific Ocean, indicating similarity through a comparative expression. Metaphors, on the other hand, do not use comparative words and imply a direct equivalence.
One simile in the book "Framed" by Gordon Korman is "as calm as a cucumber." Another simile is "as fast as greased lightning." Both of these similes are used to create vivid imagery and comparisons in the storytelling.
A simile.
The simile "as calm as a lake" conveys a sense of tranquility and stillness, evoking the image of a peaceful body of water without ripples. Similarly, "as calm as a summer's day" suggests a serene and pleasant atmosphere. Both comparisons highlight a state of peace and tranquility, emphasizing the absence of disturbance.
The simile "like a lamb" can mean someone who is calm, quiet and doesn't call attention to themselves. Like a lamb means gentle.
A metaphor
As quick as a wink is a simile. ----
It is a simile.
simile It is an example of a simile (uses like or as). A simile in itself though is a type of metaphor.
simile
that man