Pleasantly calm or peaceful; unruffled; tranquil; serenely quiet or <span>undisturbed i got this from dictionary.com</span>
You didn’t attach the poem, but I would assume that it is because the boot is used more frequently, and there’s a familiarity between the boot and a person that isn’t always present with the dress shoe– one is likely to be owned by many.
The overriding idea in any piece of fiction is known as it's plot
