Meat and potatoes and Underlying

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

Underlying and meat and potatoes are semantically related. In some cases you can use "Underlying" instead an adjective phrase "Meat and potatoes".

Underlying adjective - Of or relating to the simplest facts or theories of a subject.

Meat and potatoes and underlying are semantically related. Sometimes you can use "Meat and potatoes" instead an adjective "Underlying".