Meat and potatoes and Main idea

Meat and potatoes noun - The central part or aspect of something under consideration.

Main idea and meat and potatoes are semantically related In some cases you can use "Main idea" instead a noun phrase "Meat and potatoes".

Meat and potatoes and main idea are semantically related in center topic. Sometimes you can use "Meat and potatoes" instead a noun phrase "Main idea", if it concerns topics such as indispensable content.