Core and Main idea

Core noun - The seat of one's deepest thoughts and emotions.

Main idea and core are semantically related in center topic. In some cases you can use "Main idea" instead a noun "Core".

Nearby Words: cored, coring

Core and main idea are semantically related in heart topic. You can use "Core" instead a noun phrase "Main idea", if it concerns topics such as meaning, indispensable content.