“Calumny” should remind you of someone who makes callous statements about you with the intention of bringing calamity in your life. Beware of those people and keep them at a safe distance! Remember thus.
“Prose” is defined as “ordinary writing”. And ordinary is boring, unimaginative, uninspiring. So, “Prosaic” is anything which reminds you of a lengthy piece of writing in which you are being unable to generate any interest.
A necessary quality in the service industry