gravamen
/ˈɡrævəmən, -mɛn/Definitions
1. noun
The main point or essence of an argument, especially one that is used to prove a case in a lawsuit or other legal proceeding.
“The gravamen of the complaint was that the company had engaged in unfair business practices.”
2. noun
The substance or gist of a matter.
“The gravamen of the issue was whether the new policy would affect employee benefits.”
3. noun
The essence or core of something.
“The gravamen of the artist’s style is a unique blend of modern and traditional techniques.”